-86.84% is the change from 608 to 80
Calculation steps:
[( 80 - 608 ) ÷ 608] x 100 = -86.84%
Formula
Percentage change = [(80 - 608) / 608] x 100
Subtract the new number by the original number
80 - 608 = -528
-528 ÷ 608 = -0.868421052631579
-0.868421052631579 x 100 = -86.84%