-87.11% is the change from 287 to 37
Calculation steps:
[( 37 - 287 ) ÷ 287] x 100 = -87.11%
Formula
Percentage change = [(37 - 287) / 287] x 100
Subtract the new number by the original number
37 - 287 = -250
-250 ÷ 287 = -0.8710801393728222
-0.8710801393728222 x 100 = -87.11%