-32.02% is the change from 228 to 155
Calculation steps:
[( 155 - 228 ) ÷ 228] x 100 = -32.02%
Formula
Percentage change = [(155 - 228) / 228] x 100
Subtract the new number by the original number
155 - 228 = -73
-73 ÷ 228 = -0.3201754385964912
-0.3201754385964912 x 100 = -32.02%