-68.28% is the change from 268 to 85
Calculation steps:
[( 85 - 268 ) ÷ 268] x 100 = -68.28%
Formula
Percentage change = [(85 - 268) / 268] x 100
Subtract the new number by the original number
85 - 268 = -183
-183 ÷ 268 = -0.6828358208955224
-0.6828358208955224 x 100 = -68.28%