-11.25% is the change from 311 to 276
Calculation steps:
[( 276 - 311 ) ÷ 311] x 100 = -11.25%
Formula
Percentage change = [(276 - 311) / 311] x 100
Subtract the new number by the original number
276 - 311 = -35
-35 ÷ 311 = -0.11254019292604502
-0.11254019292604502 x 100 = -11.25%