-14.1% is the change from 156 to 134
Calculation steps:
[( 134 - 156 ) ÷ 156] x 100 = -14.1%
Formula
Percentage change = [(134 - 156) / 156] x 100
Subtract the new number by the original number
134 - 156 = -22
-22 ÷ 156 = -0.14102564102564102
-0.14102564102564102 x 100 = -14.1%