-17.13% is the change from 286 to 237
Calculation steps:
[( 237 - 286 ) ÷ 286] x 100 = -17.13%
Formula
Percentage change = [(237 - 286) / 286] x 100
Subtract the new number by the original number
237 - 286 = -49
-49 ÷ 286 = -0.17132867132867133
-0.17132867132867133 x 100 = -17.13%