72.11% is the change from 294 to 506
Calculation steps:
[( 506 - 294 ) ÷ 294] x 100 = 72.11%
Formula
Percentage change = [(506 - 294) / 294] x 100
Subtract the new number by the original number
506 - 294 = 212
212 ÷ 294 = 0.7210884353741497
0.7210884353741497 x 100 = 72.11%