16125% is the change from 4 to 649
Calculation steps:
[( 649 - 4 ) ÷ 4] x 100 = 16125%
Formula
Percentage change = [(649 - 4) / 4] x 100
Subtract the new number by the original number
649 - 4 = 645
645 ÷ 4 = 161.25
161.25 x 100 = 16125%
Example