-98.03% is the change from 609 to 12
Calculation steps:
[( 12 - 609 ) ÷ 609] x 100 = -98.03%
Formula
Percentage change = [(12 - 609) / 609] x 100
Subtract the new number by the original number
12 - 609 = -597
-597 ÷ 609 = -0.9802955665024631
-0.9802955665024631 x 100 = -98.03%