-17.62% is the change from 227 to 187
Calculation steps:
[( 187 - 227 ) ÷ 227] x 100 = -17.62%
Formula
Percentage change = [(187 - 227) / 227] x 100
Subtract the new number by the original number
187 - 227 = -40
-40 ÷ 227 = -0.1762114537444934
-0.1762114537444934 x 100 = -17.62%