-18.6% is the change from 285 to 232
Calculation steps:
[( 232 - 285 ) ÷ 285] x 100 = -18.6%
Formula
Percentage change = [(232 - 285) / 285] x 100
Subtract the new number by the original number
232 - 285 = -53
-53 ÷ 285 = -0.18596491228070175
-0.18596491228070175 x 100 = -18.6%