-19.66% is the change from 585 to 470
Calculation steps:
[( 470 - 585 ) ÷ 585] x 100 = -19.66%
Formula
Percentage change = [(470 - 585) / 585] x 100
Subtract the new number by the original number
470 - 585 = -115
-115 ÷ 585 = -0.19658119658119658
-0.19658119658119658 x 100 = -19.66%