-9.88% is the change from 243 to 219
Calculation steps:
[( 219 - 243 ) ÷ 243] x 100 = -9.88%
Formula
Percentage change = [(219 - 243) / 243] x 100
Subtract the new number by the original number
219 - 243 = -24
-24 ÷ 243 = -0.09876543209876543
-0.09876543209876543 x 100 = -9.88%