-79.4% is the change from 432 to 89
Calculation steps:
[( 89 - 432 ) ÷ 432] x 100 = -79.4%
Formula
Percentage change = [(89 - 432) / 432] x 100
Subtract the new number by the original number
89 - 432 = -343
-343 ÷ 432 = -0.7939814814814815
-0.7939814814814815 x 100 = -79.4%