-86.96% is the change from 598 to 78
Calculation steps:
[( 78 - 598 ) ÷ 598] x 100 = -86.96%
Formula
Percentage change = [(78 - 598) / 598] x 100
Subtract the new number by the original number
78 - 598 = -520
-520 ÷ 598 = -0.8695652173913043
-0.8695652173913043 x 100 = -86.96%