-83.36% is the change from 649 to 108
Calculation steps:
[( 108 - 649 ) ÷ 649] x 100 = -83.36%
Formula
Percentage change = [(108 - 649) / 649] x 100
Subtract the new number by the original number
108 - 649 = -541
-541 ÷ 649 = -0.8335901386748844
-0.8335901386748844 x 100 = -83.36%