-81.06% is the change from 470 to 89
Calculation steps:
[( 89 - 470 ) ÷ 470] x 100 = -81.06%
Formula
Percentage change = [(89 - 470) / 470] x 100
Subtract the new number by the original number
89 - 470 = -381
-381 ÷ 470 = -0.8106382978723404
-0.8106382978723404 x 100 = -81.06%