-78.75% is the change from 847 to 180
Calculation steps:
[( 180 - 847 ) ÷ 847] x 100 = -78.75%
Formula
Percentage change = [(180 - 847) / 847] x 100
Subtract the new number by the original number
180 - 847 = -667
-667 ÷ 847 = -0.7874852420306966
-0.7874852420306966 x 100 = -78.75%