49.91% is the change from 585 to 877
Calculation steps:
[( 877 - 585 ) ÷ 585] x 100 = 49.91%
Formula
Percentage change = [(877 - 585) / 585] x 100
Subtract the new number by the original number
877 - 585 = 292
292 ÷ 585 = 0.49914529914529915
0.49914529914529915 x 100 = 49.91%