265.06% is the change from 83 to 303
Calculation steps:
[( 303 - 83 ) ÷ 83] x 100 = 265.06%
Formula
Percentage change = [(303 - 83) / 83] x 100
Subtract the new number by the original number
303 - 83 = 220
220 ÷ 83 = 2.6506024096385543
2.6506024096385543 x 100 = 265.06%