-87.87% is the change from 610 to 74
Calculation steps:
[( 74 - 610 ) ÷ 610] x 100 = -87.87%
Formula
Percentage change = [(74 - 610) / 610] x 100
Subtract the new number by the original number
74 - 610 = -536
-536 ÷ 610 = -0.8786885245901639
-0.8786885245901639 x 100 = -87.87%