15.41% is the change from 266 to 307
Calculation steps:
[( 307 - 266 ) ÷ 266] x 100 = 15.41%
Formula
Percentage change = [(307 - 266) / 266] x 100
Subtract the new number by the original number
307 - 266 = 41
41 ÷ 266 = 0.15413533834586465
0.15413533834586465 x 100 = 15.41%