-20.35% is the change from 629 to 501
Calculation steps:
[( 501 - 629 ) ÷ 629] x 100 = -20.35%
Formula
Percentage change = [(501 - 629) / 629] x 100
Subtract the new number by the original number
501 - 629 = -128
-128 ÷ 629 = -0.20349761526232116
-0.20349761526232116 x 100 = -20.35%