-68.85% is the change from 610 to 190
Calculation steps:
[( 190 - 610 ) ÷ 610] x 100 = -68.85%
Formula
Percentage change = [(190 - 610) / 610] x 100
Subtract the new number by the original number
190 - 610 = -420
-420 ÷ 610 = -0.6885245901639344
-0.6885245901639344 x 100 = -68.85%