-11.89% is the change from 286 to 252
Calculation steps:
[( 252 - 286 ) ÷ 286] x 100 = -11.89%
Formula
Percentage change = [(252 - 286) / 286] x 100
Subtract the new number by the original number
252 - 286 = -34
-34 ÷ 286 = -0.11888111888111888
-0.11888111888111888 x 100 = -11.89%