776% is the change from 75 to 657
Calculation steps:
[( 657 - 75 ) ÷ 75] x 100 = 776%
Formula
Percentage change = [(657 - 75) / 75] x 100
Subtract the new number by the original number
657 - 75 = 582
582 ÷ 75 = 7.76
7.76 x 100 = 776%
Example