102.63% is the change from 266 to 539
Calculation steps:
[( 539 - 266 ) ÷ 266] x 100 = 102.63%
Formula
Percentage change = [(539 - 266) / 266] x 100
Subtract the new number by the original number
539 - 266 = 273
273 ÷ 266 = 1.0263157894736843
1.0263157894736843 x 100 = 102.63%