8.27% is the change from 266 to 288
Calculation steps:
[( 288 - 266 ) ÷ 266] x 100 = 8.27%
Formula
Percentage change = [(288 - 266) / 266] x 100
Subtract the new number by the original number
288 - 266 = 22
22 ÷ 266 = 0.08270676691729323
0.08270676691729323 x 100 = 8.27%