-35.53% is the change from 228 to 147
Calculation steps:
[( 147 - 228 ) ÷ 228] x 100 = -35.53%
Formula
Percentage change = [(147 - 228) / 228] x 100
Subtract the new number by the original number
147 - 228 = -81
-81 ÷ 228 = -0.35526315789473684
-0.35526315789473684 x 100 = -35.53%