53.85% is the change from 585 to 900
Calculation steps:
[( 900 - 585 ) ÷ 585] x 100 = 53.85%
Formula
Percentage change = [(900 - 585) / 585] x 100
Subtract the new number by the original number
900 - 585 = 315
315 ÷ 585 = 0.5384615384615384
0.5384615384615384 x 100 = 53.85%