-81.37% is the change from 628 to 117
Calculation steps:
[( 117 - 628 ) ÷ 628] x 100 = -81.37%
Formula
Percentage change = [(117 - 628) / 628] x 100
Subtract the new number by the original number
117 - 628 = -511
-511 ÷ 628 = -0.8136942675159236
-0.8136942675159236 x 100 = -81.37%