-67.91% is the change from 268 to 86
Calculation steps:
[( 86 - 268 ) ÷ 268] x 100 = -67.91%
Formula
Percentage change = [(86 - 268) / 268] x 100
Subtract the new number by the original number
86 - 268 = -182
-182 ÷ 268 = -0.6791044776119403
-0.6791044776119403 x 100 = -67.91%