-20.73% is the change from 627 to 497
Calculation steps:
[( 497 - 627 ) ÷ 627] x 100 = -20.73%
Formula
Percentage change = [(497 - 627) / 627] x 100
Subtract the new number by the original number
497 - 627 = -130
-130 ÷ 627 = -0.20733652312599682
-0.20733652312599682 x 100 = -20.73%