-11.36% is the change from 176 to 156
Calculation steps:
[( 156 - 176 ) ÷ 176] x 100 = -11.36%
Formula
Percentage change = [(156 - 176) / 176] x 100
Subtract the new number by the original number
156 - 176 = -20
-20 ÷ 176 = -0.11363636363636363
-0.11363636363636363 x 100 = -11.36%