-42.58% is the change from 155 to 89
Calculation steps:
[( 89 - 155 ) ÷ 155] x 100 = -42.58%
Formula
Percentage change = [(89 - 155) / 155] x 100
Subtract the new number by the original number
89 - 155 = -66
-66 ÷ 155 = -0.4258064516129032
-0.4258064516129032 x 100 = -42.58%