-12.31% is the change from 268 to 235
Calculation steps:
[( 235 - 268 ) ÷ 268] x 100 = -12.31%
Formula
Percentage change = [(235 - 268) / 268] x 100
Subtract the new number by the original number
235 - 268 = -33
-33 ÷ 268 = -0.12313432835820895
-0.12313432835820895 x 100 = -12.31%