-52.26% is the change from 287 to 137
Calculation steps:
[( 137 - 287 ) ÷ 287] x 100 = -52.26%
Formula
Percentage change = [(137 - 287) / 287] x 100
Subtract the new number by the original number
137 - 287 = -150
-150 ÷ 287 = -0.5226480836236934
-0.5226480836236934 x 100 = -52.26%