-11.39% is the change from 711 to 630
Calculation steps:
[( 630 - 711 ) ÷ 711] x 100 = -11.39%
Formula
Percentage change = [(630 - 711) / 711] x 100
Subtract the new number by the original number
630 - 711 = -81
-81 ÷ 711 = -0.11392405063291139
-0.11392405063291139 x 100 = -11.39%