-98.66% is the change from 598 to 8
Calculation steps:
[( 8 - 598 ) ÷ 598] x 100 = -98.66%
Formula
Percentage change = [(8 - 598) / 598] x 100
Subtract the new number by the original number
8 - 598 = -590
-590 ÷ 598 = -0.9866220735785953
-0.9866220735785953 x 100 = -98.66%