-36.93% is the change from 287 to 181
Calculation steps:
[( 181 - 287 ) ÷ 287] x 100 = -36.93%
Formula
Percentage change = [(181 - 287) / 287] x 100
Subtract the new number by the original number
181 - 287 = -106
-106 ÷ 287 = -0.3693379790940767
-0.3693379790940767 x 100 = -36.93%