81.58% is the change from 266 to 483
Calculation steps:
[( 483 - 266 ) ÷ 266] x 100 = 81.58%
Formula
Percentage change = [(483 - 266) / 266] x 100
Subtract the new number by the original number
483 - 266 = 217
217 ÷ 266 = 0.8157894736842105
0.8157894736842105 x 100 = 81.58%