3175% is the change from 20 to 655
Calculation steps:
[( 655 - 20 ) ÷ 20] x 100 = 3175%
Formula
Percentage change = [(655 - 20) / 20] x 100
Subtract the new number by the original number
655 - 20 = 635
635 ÷ 20 = 31.75
31.75 x 100 = 3175%
Example