-49.5% is the change from 602 to 304
Calculation steps:
[( 304 - 602 ) ÷ 602] x 100 = -49.5%
Formula
Percentage change = [(304 - 602) / 602] x 100
Subtract the new number by the original number
304 - 602 = -298
-298 ÷ 602 = -0.4950166112956811
-0.4950166112956811 x 100 = -49.5%