70.95% is the change from 296 to 506
Calculation steps:
[( 506 - 296 ) ÷ 296] x 100 = 70.95%
Formula
Percentage change = [(506 - 296) / 296] x 100
Subtract the new number by the original number
506 - 296 = 210
210 ÷ 296 = 0.7094594594594594
0.7094594594594594 x 100 = 70.95%