-18.06% is the change from 155 to 127
Calculation steps:
[( 127 - 155 ) ÷ 155] x 100 = -18.06%
Formula
Percentage change = [(127 - 155) / 155] x 100
Subtract the new number by the original number
127 - 155 = -28
-28 ÷ 155 = -0.18064516129032257
-0.18064516129032257 x 100 = -18.06%