-81.38% is the change from 478 to 89
Calculation steps:
[( 89 - 478 ) ÷ 478] x 100 = -81.38%
Formula
Percentage change = [(89 - 478) / 478] x 100
Subtract the new number by the original number
89 - 478 = -389
-389 ÷ 478 = -0.8138075313807531
-0.8138075313807531 x 100 = -81.38%