-9.52% is the change from 252 to 228
Calculation steps:
[( 228 - 252 ) ÷ 252] x 100 = -9.52%
Formula
Percentage change = [(228 - 252) / 252] x 100
Subtract the new number by the original number
228 - 252 = -24
-24 ÷ 252 = -0.09523809523809523
-0.09523809523809523 x 100 = -9.52%