-83.56% is the change from 657 to 108
Calculation steps:
[( 108 - 657 ) ÷ 657] x 100 = -83.56%
Formula
Percentage change = [(108 - 657) / 657] x 100
Subtract the new number by the original number
108 - 657 = -549
-549 ÷ 657 = -0.8356164383561644
-0.8356164383561644 x 100 = -83.56%