-86.62% is the change from 598 to 80
Calculation steps:
[( 80 - 598 ) ÷ 598] x 100 = -86.62%
Formula
Percentage change = [(80 - 598) / 598] x 100
Subtract the new number by the original number
80 - 598 = -518
-518 ÷ 598 = -0.8662207357859532
-0.8662207357859532 x 100 = -86.62%