-16% is the change from 150 to 126
Calculation steps:
[( 126 - 150 ) ÷ 150] x 100 = -16%
Formula
Percentage change = [(126 - 150) / 150] x 100
Subtract the new number by the original number
126 - 150 = -24
-24 ÷ 150 = -0.16
-0.16 x 100 = -16%
Example