-20.83% is the change from 168 to 133
Calculation steps:
[( 133 - 168 ) ÷ 168] x 100 = -20.83%
Formula
Percentage change = [(133 - 168) / 168] x 100
Subtract the new number by the original number
133 - 168 = -35
-35 ÷ 168 = -0.20833333333333334
-0.20833333333333334 x 100 = -20.83%