-30.63% is the change from 271 to 188
Calculation steps:
[( 188 - 271 ) ÷ 271] x 100 = -30.63%
Formula
Percentage change = [(188 - 271) / 271] x 100
Subtract the new number by the original number
188 - 271 = -83
-83 ÷ 271 = -0.3062730627306273
-0.3062730627306273 x 100 = -30.63%