-97.37% is the change from 609 to 16
Calculation steps:
[( 16 - 609 ) ÷ 609] x 100 = -97.37%
Formula
Percentage change = [(16 - 609) / 609] x 100
Subtract the new number by the original number
16 - 609 = -593
-593 ÷ 609 = -0.9737274220032841
-0.9737274220032841 x 100 = -97.37%