79.09% is the change from 507 to 908
Calculation steps:
[( 908 - 507 ) ÷ 507] x 100 = 79.09%
Formula
Percentage change = [(908 - 507) / 507] x 100
Subtract the new number by the original number
908 - 507 = 401
401 ÷ 507 = 0.7909270216962525
0.7909270216962525 x 100 = 79.09%