73.99% is the change from 296 to 515
Calculation steps:
[( 515 - 296 ) ÷ 296] x 100 = 73.99%
Formula
Percentage change = [(515 - 296) / 296] x 100
Subtract the new number by the original number
515 - 296 = 219
219 ÷ 296 = 0.7398648648648649
0.7398648648648649 x 100 = 73.99%