-83.59% is the change from 658 to 108
Calculation steps:
[( 108 - 658 ) ÷ 658] x 100 = -83.59%
Formula
Percentage change = [(108 - 658) / 658] x 100
Subtract the new number by the original number
108 - 658 = -550
-550 ÷ 658 = -0.8358662613981763
-0.8358662613981763 x 100 = -83.59%