-24.27% is the change from 206 to 156
Calculation steps:
[( 156 - 206 ) ÷ 206] x 100 = -24.27%
Formula
Percentage change = [(156 - 206) / 206] x 100
Subtract the new number by the original number
156 - 206 = -50
-50 ÷ 206 = -0.24271844660194175
-0.24271844660194175 x 100 = -24.27%