-50.41% is the change from 609 to 302
Calculation steps:
[( 302 - 609 ) ÷ 609] x 100 = -50.41%
Formula
Percentage change = [(302 - 609) / 609] x 100
Subtract the new number by the original number
302 - 609 = -307
-307 ÷ 609 = -0.5041050903119869
-0.5041050903119869 x 100 = -50.41%