-59.23% is the change from 287 to 117
Calculation steps:
[( 117 - 287 ) ÷ 287] x 100 = -59.23%
Formula
Percentage change = [(117 - 287) / 287] x 100
Subtract the new number by the original number
117 - 287 = -170
-170 ÷ 287 = -0.5923344947735192
-0.5923344947735192 x 100 = -59.23%