-87.44% is the change from 836 to 105
Calculation steps:
[( 105 - 836 ) ÷ 836] x 100 = -87.44%
Formula
Percentage change = [(105 - 836) / 836] x 100
Subtract the new number by the original number
105 - 836 = -731
-731 ÷ 836 = -0.8744019138755981
-0.8744019138755981 x 100 = -87.44%