-81.52% is the change from 460 to 85
Calculation steps:
[( 85 - 460 ) ÷ 460] x 100 = -81.52%
Formula
Percentage change = [(85 - 460) / 460] x 100
Subtract the new number by the original number
85 - 460 = -375
-375 ÷ 460 = -0.8152173913043478
-0.8152173913043478 x 100 = -81.52%