Answer:
For the first question, the answer would be 43.2%; if you want to round further, it would be 43%.
For the second question, the answer would be 65.9%; if you want to round further, it would be 66%.
Step-by-step explanation:
1st question:
315/220 = 1.4318181....
1.4318*100 = 143.18
143.18 - 100 = 43.18
2nd question:
315 + 50 = 365
365/220 = 1.659090....
1.6590*100 = 165.90
165.90 - 100 = 65.90