-50.66% is the change from 610 to 301
Calculation steps:
[( 301 - 610 ) ÷ 610] x 100 = -50.66%
Formula
Percentage change = [(301 - 610) / 610] x 100
Subtract the new number by the original number
301 - 610 = -309
-309 ÷ 610 = -0.5065573770491804
-0.5065573770491804 x 100 = -50.66%