-19.94% is the change from 627 to 502
Calculation steps:
[( 502 - 627 ) ÷ 627] x 100 = -19.94%
Formula
Percentage change = [(502 - 627) / 627] x 100
Subtract the new number by the original number
502 - 627 = -125
-125 ÷ 627 = -0.19936204146730463
-0.19936204146730463 x 100 = -19.94%