-78.65% is the change from 843 to 180
Calculation steps:
[( 180 - 843 ) ÷ 843] x 100 = -78.65%
Formula
Percentage change = [(180 - 843) / 843] x 100
Subtract the new number by the original number
180 - 843 = -663
-663 ÷ 843 = -0.7864768683274022
-0.7864768683274022 x 100 = -78.65%