Answer :
First subtract:
150 - 65 = 85
Now divide it to the original:
85 / 150 = 0.57
Multiply by 100:
0.57 * 100 = 57%
150 - 65 = 85
Now divide it to the original:
85 / 150 = 0.57
Multiply by 100:
0.57 * 100 = 57%