-75.59% is the change from 807 to 197
Calculation steps:
[( 197 - 807 ) ÷ 807] x 100 = -75.59%
Formula
Percentage change = [(197 - 807) / 807] x 100
Subtract the new number by the original number
197 - 807 = -610
-610 ÷ 807 = -0.7558859975216853
-0.7558859975216853 x 100 = -75.59%