-84.14% is the change from 845 to 134
Calculation steps:
[( 134 - 845 ) ÷ 845] x 100 = -84.14%
Formula
Percentage change = [(134 - 845) / 845] x 100
Subtract the new number by the original number
134 - 845 = -711
-711 ÷ 845 = -0.8414201183431953
-0.8414201183431953 x 100 = -84.14%