-98.52% is the change from 608 to 9
Calculation steps:
[( 9 - 608 ) ÷ 608] x 100 = -98.52%
Formula
Percentage change = [(9 - 608) / 608] x 100
Subtract the new number by the original number
9 - 608 = -599
-599 ÷ 608 = -0.9851973684210527
-0.9851973684210527 x 100 = -98.52%