118.42% is the change from 266 to 581
Calculation steps:
[( 581 - 266 ) ÷ 266] x 100 = 118.42%
Formula
Percentage change = [(581 - 266) / 266] x 100
Subtract the new number by the original number
581 - 266 = 315
315 ÷ 266 = 1.1842105263157894
1.1842105263157894 x 100 = 118.42%
Example