-17.98% is the change from 228 to 187
Calculation steps:
[( 187 - 228 ) ÷ 228] x 100 = -17.98%
Formula
Percentage change = [(187 - 228) / 228] x 100
Subtract the new number by the original number
187 - 228 = -41
-41 ÷ 228 = -0.17982456140350878
-0.17982456140350878 x 100 = -17.98%