-8.65% is the change from 266 to 243
Calculation steps:
[( 243 - 266 ) ÷ 266] x 100 = -8.65%
Formula
Percentage change = [(243 - 266) / 266] x 100
Subtract the new number by the original number
243 - 266 = -23
-23 ÷ 266 = -0.08646616541353383
-0.08646616541353383 x 100 = -8.65%