50.86% is the change from 582 to 878
Calculation steps:
[( 878 - 582 ) ÷ 582] x 100 = 50.86%
Formula
Percentage change = [(878 - 582) / 582] x 100
Subtract the new number by the original number
878 - 582 = 296
296 ÷ 582 = 0.5085910652920962
0.5085910652920962 x 100 = 50.86%