-8.13% is the change from 209 to 192
Calculation steps:
[( 192 - 209 ) ÷ 209] x 100 = -8.13%
Formula
Percentage change = [(192 - 209) / 209] x 100
Subtract the new number by the original number
192 - 209 = -17
-17 ÷ 209 = -0.08133971291866028
-0.08133971291866028 x 100 = -8.13%