915.38% is the change from 65 to 660
Calculation steps:
[( 660 - 65 ) ÷ 65] x 100 = 915.38%
Formula
Percentage change = [(660 - 65) / 65] x 100
Subtract the new number by the original number
660 - 65 = 595
595 ÷ 65 = 9.153846153846153
9.153846153846153 x 100 = 915.38%