15.81% is the change from 506 to 586
Calculation steps:
[( 586 - 506 ) ÷ 506] x 100 = 15.81%
Formula
Percentage change = [(586 - 506) / 506] x 100
Subtract the new number by the original number
586 - 506 = 80
80 ÷ 506 = 0.15810276679841898
0.15810276679841898 x 100 = 15.81%