-32.7% is the change from 627 to 422
Calculation steps:
[( 422 - 627 ) ÷ 627] x 100 = -32.7%
Formula
Percentage change = [(422 - 627) / 627] x 100
Subtract the new number by the original number
422 - 627 = -205
-205 ÷ 627 = -0.3269537480063796
-0.3269537480063796 x 100 = -32.7%