-65.16% is the change from 155 to 54
Calculation steps:
[( 54 - 155 ) ÷ 155] x 100 = -65.16%
Formula
Percentage change = [(54 - 155) / 155] x 100
Subtract the new number by the original number
54 - 155 = -101
-101 ÷ 155 = -0.6516129032258065
-0.6516129032258065 x 100 = -65.16%