-67.31% is the change from 260 to 85
Calculation steps:
[( 85 - 260 ) ÷ 260] x 100 = -67.31%
Formula
Percentage change = [(85 - 260) / 260] x 100
Subtract the new number by the original number
85 - 260 = -175
-175 ÷ 260 = -0.6730769230769231
-0.6730769230769231 x 100 = -67.31%