-68.97% is the change from 609 to 189
Calculation steps:
[( 189 - 609 ) ÷ 609] x 100 = -68.97%
Formula
Percentage change = [(189 - 609) / 609] x 100
Subtract the new number by the original number
189 - 609 = -420
-420 ÷ 609 = -0.6896551724137931
-0.6896551724137931 x 100 = -68.97%