-28.51% is the change from 228 to 163
Calculation steps:
[( 163 - 228 ) ÷ 228] x 100 = -28.51%
Formula
Percentage change = [(163 - 228) / 228] x 100
Subtract the new number by the original number
163 - 228 = -65
-65 ÷ 228 = -0.2850877192982456
-0.2850877192982456 x 100 = -28.51%