-78.77% is the change from 843 to 179
Calculation steps:
[( 179 - 843 ) ÷ 843] x 100 = -78.77%
Formula
Percentage change = [(179 - 843) / 843] x 100
Subtract the new number by the original number
179 - 843 = -664
-664 ÷ 843 = -0.7876631079478055
-0.7876631079478055 x 100 = -78.77%