80.83% is the change from 266 to 481
Calculation steps:
[( 481 - 266 ) ÷ 266] x 100 = 80.83%
Formula
Percentage change = [(481 - 266) / 266] x 100
Subtract the new number by the original number
481 - 266 = 215
215 ÷ 266 = 0.8082706766917294
0.8082706766917294 x 100 = 80.83%