-88.6% is the change from 649 to 74
Calculation steps:
[( 74 - 649 ) ÷ 649] x 100 = -88.6%
Formula
Percentage change = [(74 - 649) / 649] x 100
Subtract the new number by the original number
74 - 649 = -575
-575 ÷ 649 = -0.8859784283513097
-0.8859784283513097 x 100 = -88.6%