79.7% is the change from 266 to 478
Calculation steps:
[( 478 - 266 ) ÷ 266] x 100 = 79.7%
Formula
Percentage change = [(478 - 266) / 266] x 100
Subtract the new number by the original number
478 - 266 = 212
212 ÷ 266 = 0.7969924812030075
0.7969924812030075 x 100 = 79.7%