-40.79% is the change from 228 to 135
Calculation steps:
[( 135 - 228 ) ÷ 228] x 100 = -40.79%
Formula
Percentage change = [(135 - 228) / 228] x 100
Subtract the new number by the original number
135 - 228 = -93
-93 ÷ 228 = -0.40789473684210525
-0.40789473684210525 x 100 = -40.79%