16.92% is the change from 266 to 311
Calculation steps:
[( 311 - 266 ) ÷ 266] x 100 = 16.92%
Formula
Percentage change = [(311 - 266) / 266] x 100
Subtract the new number by the original number
311 - 266 = 45
45 ÷ 266 = 0.16917293233082706
0.16917293233082706 x 100 = 16.92%