79.05% is the change from 506 to 906
Calculation steps:
[( 906 - 506 ) ÷ 506] x 100 = 79.05%
Formula
Percentage change = [(906 - 506) / 506] x 100
Subtract the new number by the original number
906 - 506 = 400
400 ÷ 506 = 0.7905138339920948
0.7905138339920948 x 100 = 79.05%