-71.6% is the change from 845 to 240
Calculation steps:
[( 240 - 845 ) ÷ 845] x 100 = -71.6%
Formula
Percentage change = [(240 - 845) / 845] x 100
Subtract the new number by the original number
240 - 845 = -605
-605 ÷ 845 = -0.7159763313609467
-0.7159763313609467 x 100 = -71.6%