-1.72% is the change from 232 to 228
Calculation steps:
[( 228 - 232 ) ÷ 232] x 100 = -1.72%
Formula
Percentage change = [(228 - 232) / 232] x 100
Subtract the new number by the original number
228 - 232 = -4
-4 ÷ 232 = -0.017241379310344827
-0.017241379310344827 x 100 = -1.72%