-87.78% is the change from 843 to 103
Calculation steps:
[( 103 - 843 ) ÷ 843] x 100 = -87.78%
Formula
Percentage change = [(103 - 843) / 843] x 100
Subtract the new number by the original number
103 - 843 = -740
-740 ÷ 843 = -0.8778173190984578
-0.8778173190984578 x 100 = -87.78%