-87.12% is the change from 598 to 77
Calculation steps:
[( 77 - 598 ) ÷ 598] x 100 = -87.12%
Formula
Percentage change = [(77 - 598) / 598] x 100
Subtract the new number by the original number
77 - 598 = -521
-521 ÷ 598 = -0.8712374581939799
-0.8712374581939799 x 100 = -87.12%