-12.54% is the change from 311 to 272
Calculation steps:
[( 272 - 311 ) ÷ 311] x 100 = -12.54%
Formula
Percentage change = [(272 - 311) / 311] x 100
Subtract the new number by the original number
272 - 311 = -39
-39 ÷ 311 = -0.12540192926045016
-0.12540192926045016 x 100 = -12.54%