-75.53% is the change from 609 to 149
Calculation steps:
[( 149 - 609 ) ÷ 609] x 100 = -75.53%
Formula
Percentage change = [(149 - 609) / 609] x 100
Subtract the new number by the original number
149 - 609 = -460
-460 ÷ 609 = -0.7553366174055829
-0.7553366174055829 x 100 = -75.53%