-87.13% is the change from 839 to 108
Calculation steps:
[( 108 - 839 ) ÷ 839] x 100 = -87.13%
Formula
Percentage change = [(108 - 839) / 839] x 100
Subtract the new number by the original number
108 - 839 = -731
-731 ÷ 839 = -0.8712753277711561
-0.8712753277711561 x 100 = -87.13%