79.71% is the change from 276 to 496
Calculation steps:
[( 496 - 276 ) ÷ 276] x 100 = 79.71%
Formula
Percentage change = [(496 - 276) / 276] x 100
Subtract the new number by the original number
496 - 276 = 220
220 ÷ 276 = 0.7971014492753623
0.7971014492753623 x 100 = 79.71%