-47.2% is the change from 286 to 151
Calculation steps:
[( 151 - 286 ) ÷ 286] x 100 = -47.2%
Formula
Percentage change = [(151 - 286) / 286] x 100
Subtract the new number by the original number
151 - 286 = -135
-135 ÷ 286 = -0.47202797202797203
-0.47202797202797203 x 100 = -47.2%