-27.87% is the change from 610 to 440
Calculation steps:
[( 440 - 610 ) ÷ 610] x 100 = -27.87%
Formula
Percentage change = [(440 - 610) / 610] x 100
Subtract the new number by the original number
440 - 610 = -170
-170 ÷ 610 = -0.2786885245901639
-0.2786885245901639 x 100 = -27.87%