-97.7% is the change from 610 to 14
Calculation steps:
[( 14 - 610 ) ÷ 610] x 100 = -97.7%
Formula
Percentage change = [(14 - 610) / 610] x 100
Subtract the new number by the original number
14 - 610 = -596
-596 ÷ 610 = -0.9770491803278688
-0.9770491803278688 x 100 = -97.7%