-13.83% is the change from 311 to 268
Calculation steps:
[( 268 - 311 ) ÷ 311] x 100 = -13.83%
Formula
Percentage change = [(268 - 311) / 311] x 100
Subtract the new number by the original number
268 - 311 = -43
-43 ÷ 311 = -0.1382636655948553
-0.1382636655948553 x 100 = -13.83%