-11.11% is the change from 189 to 168
Calculation steps:
[( 168 - 189 ) ÷ 189] x 100 = -11.11%
Formula
Percentage change = [(168 - 189) / 189] x 100
Subtract the new number by the original number
168 - 189 = -21
-21 ÷ 189 = -0.1111111111111111
-0.1111111111111111 x 100 = -11.11%