-19.81% is the change from 626 to 502
Calculation steps:
[( 502 - 626 ) ÷ 626] x 100 = -19.81%
Formula
Percentage change = [(502 - 626) / 626] x 100
Subtract the new number by the original number
502 - 626 = -124
-124 ÷ 626 = -0.19808306709265175
-0.19808306709265175 x 100 = -19.81%