-19.48% is the change from 154 to 124
Calculation steps:
[( 124 - 154 ) ÷ 154] x 100 = -19.48%
Formula
Percentage change = [(124 - 154) / 154] x 100
Subtract the new number by the original number
124 - 154 = -30
-30 ÷ 154 = -0.19480519480519481
-0.19480519480519481 x 100 = -19.48%