-12.76% is the change from 243 to 212
Calculation steps:
[( 212 - 243 ) ÷ 243] x 100 = -12.76%
Formula
Percentage change = [(212 - 243) / 243] x 100
Subtract the new number by the original number
212 - 243 = -31
-31 ÷ 243 = -0.12757201646090535
-0.12757201646090535 x 100 = -12.76%