-81.3% is the change from 476 to 89
Calculation steps:
[( 89 - 476 ) ÷ 476] x 100 = -81.3%
Formula
Percentage change = [(89 - 476) / 476] x 100
Subtract the new number by the original number
89 - 476 = -387
-387 ÷ 476 = -0.8130252100840336
-0.8130252100840336 x 100 = -81.3%