-2.88% is the change from 243 to 236
Calculation steps:
[( 236 - 243 ) ÷ 243] x 100 = -2.88%
Formula
Percentage change = [(236 - 243) / 243] x 100
Subtract the new number by the original number
236 - 243 = -7
-7 ÷ 243 = -0.02880658436213992
-0.02880658436213992 x 100 = -2.88%
Example