-79.35% is the change from 431 to 89
Calculation steps:
[( 89 - 431 ) ÷ 431] x 100 = -79.35%
Formula
Percentage change = [(89 - 431) / 431] x 100
Subtract the new number by the original number
89 - 431 = -342
-342 ÷ 431 = -0.7935034802784223
-0.7935034802784223 x 100 = -79.35%