15.35% is the change from 508 to 586
Calculation steps:
[( 586 - 508 ) ÷ 508] x 100 = 15.35%
Formula
Percentage change = [(586 - 508) / 508] x 100
Subtract the new number by the original number
586 - 508 = 78
78 ÷ 508 = 0.15354330708661418
0.15354330708661418 x 100 = 15.35%