-75.86% is the change from 609 to 147
Calculation steps:
[( 147 - 609 ) ÷ 609] x 100 = -75.86%
Formula
Percentage change = [(147 - 609) / 609] x 100
Subtract the new number by the original number
147 - 609 = -462
-462 ÷ 609 = -0.7586206896551724
-0.7586206896551724 x 100 = -75.86%