66.17% is the change from 266 to 442
Calculation steps:
[( 442 - 266 ) ÷ 266] x 100 = 66.17%
Formula
Percentage change = [(442 - 266) / 266] x 100
Subtract the new number by the original number
442 - 266 = 176
176 ÷ 266 = 0.6616541353383458
0.6616541353383458 x 100 = 66.17%