-86.79% is the change from 598 to 79
Calculation steps:
[( 79 - 598 ) ÷ 598] x 100 = -86.79%
Formula
Percentage change = [(79 - 598) / 598] x 100
Subtract the new number by the original number
79 - 598 = -519
-519 ÷ 598 = -0.8678929765886287
-0.8678929765886287 x 100 = -86.79%