-60.65% is the change from 155 to 61
Calculation steps:
[( 61 - 155 ) ÷ 155] x 100 = -60.65%
Formula
Percentage change = [(61 - 155) / 155] x 100
Subtract the new number by the original number
61 - 155 = -94
-94 ÷ 155 = -0.6064516129032258
-0.6064516129032258 x 100 = -60.65%