-18.71% is the change from 807 to 656
Calculation steps:
[( 656 - 807 ) ÷ 807] x 100 = -18.71%
Formula
Percentage change = [(656 - 807) / 807] x 100
Subtract the new number by the original number
656 - 807 = -151
-151 ÷ 807 = -0.18711276332094176
-0.18711276332094176 x 100 = -18.71%