74.32% is the change from 296 to 516
Calculation steps:
[( 516 - 296 ) ÷ 296] x 100 = 74.32%
Formula
Percentage change = [(516 - 296) / 296] x 100
Subtract the new number by the original number
516 - 296 = 220
220 ÷ 296 = 0.7432432432432432
0.7432432432432432 x 100 = 74.32%