-83.25% is the change from 579 to 97
Calculation steps:
[( 97 - 579 ) ÷ 579] x 100 = -83.25%
Formula
Percentage change = [(97 - 579) / 579] x 100
Subtract the new number by the original number
97 - 579 = -482
-482 ÷ 579 = -0.8324697754749568
-0.8324697754749568 x 100 = -83.25%