78.2% is the change from 266 to 474
Calculation steps:
[( 474 - 266 ) ÷ 266] x 100 = 78.2%
Formula
Percentage change = [(474 - 266) / 266] x 100
Subtract the new number by the original number
474 - 266 = 208
208 ÷ 266 = 0.7819548872180451
0.7819548872180451 x 100 = 78.2%