-17.71% is the change from 271 to 223
Calculation steps:
[( 223 - 271 ) ÷ 271] x 100 = -17.71%
Formula
Percentage change = [(223 - 271) / 271] x 100
Subtract the new number by the original number
223 - 271 = -48
-48 ÷ 271 = -0.17712177121771217
-0.17712177121771217 x 100 = -17.71%