66.5% is the change from 585 to 974
Calculation steps:
[( 974 - 585 ) ÷ 585] x 100 = 66.5%
Formula
Percentage change = [(974 - 585) / 585] x 100
Subtract the new number by the original number
974 - 585 = 389
389 ÷ 585 = 0.6649572649572649
0.6649572649572649 x 100 = 66.5%