-45.81% is the change from 155 to 84
Calculation steps:
[( 84 - 155 ) ÷ 155] x 100 = -45.81%
Formula
Percentage change = [(84 - 155) / 155] x 100
Subtract the new number by the original number
84 - 155 = -71
-71 ÷ 155 = -0.45806451612903226
-0.45806451612903226 x 100 = -45.81%