-50.9% is the change from 613 to 301
Calculation steps:
[( 301 - 613 ) ÷ 613] x 100 = -50.9%
Formula
Percentage change = [(301 - 613) / 613] x 100
Subtract the new number by the original number
301 - 613 = -312
-312 ÷ 613 = -0.5089722675367048
-0.5089722675367048 x 100 = -50.9%