-19.62% is the change from 209 to 168
Calculation steps:
[( 168 - 209 ) ÷ 209] x 100 = -19.62%
Formula
Percentage change = [(168 - 209) / 209] x 100
Subtract the new number by the original number
168 - 209 = -41
-41 ÷ 209 = -0.19617224880382775
-0.19617224880382775 x 100 = -19.62%