-83.25% is the change from 585 to 98
Calculation steps:
[( 98 - 585 ) ÷ 585] x 100 = -83.25%
Formula
Percentage change = [(98 - 585) / 585] x 100
Subtract the new number by the original number
98 - 585 = -487
-487 ÷ 585 = -0.8324786324786325
-0.8324786324786325 x 100 = -83.25%