15.9% is the change from 585 to 678
Calculation steps:
[( 678 - 585 ) ÷ 585] x 100 = 15.9%
Formula
Percentage change = [(678 - 585) / 585] x 100
Subtract the new number by the original number
678 - 585 = 93
93 ÷ 585 = 0.15897435897435896
0.15897435897435896 x 100 = 15.9%