-13.99% is the change from 243 to 209
Calculation steps:
[( 209 - 243 ) ÷ 243] x 100 = -13.99%
Formula
Percentage change = [(209 - 243) / 243] x 100
Subtract the new number by the original number
209 - 243 = -34
-34 ÷ 243 = -0.13991769547325103
-0.13991769547325103 x 100 = -13.99%