79.32% is the change from 266 to 477
Calculation steps:
[( 477 - 266 ) ÷ 266] x 100 = 79.32%
Formula
Percentage change = [(477 - 266) / 266] x 100
Subtract the new number by the original number
477 - 266 = 211
211 ÷ 266 = 0.793233082706767
0.793233082706767 x 100 = 79.32%