-41.94% is the change from 155 to 90
Calculation steps:
[( 90 - 155 ) ÷ 155] x 100 = -41.94%
Formula
Percentage change = [(90 - 155) / 155] x 100
Subtract the new number by the original number
90 - 155 = -65
-65 ÷ 155 = -0.41935483870967744
-0.41935483870967744 x 100 = -41.94%