-88.36% is the change from 730 to 85
Calculation steps:
[( 85 - 730 ) ÷ 730] x 100 = -88.36%
Formula
Percentage change = [(85 - 730) / 730] x 100
Subtract the new number by the original number
85 - 730 = -645
-645 ÷ 730 = -0.8835616438356164
-0.8835616438356164 x 100 = -88.36%