-30.86% is the change from 243 to 168
Calculation steps:
[( 168 - 243 ) ÷ 243] x 100 = -30.86%
Formula
Percentage change = [(168 - 243) / 243] x 100
Subtract the new number by the original number
168 - 243 = -75
-75 ÷ 243 = -0.30864197530864196
-0.30864197530864196 x 100 = -30.86%