-71.36% is the change from 845 to 242
Calculation steps:
[( 242 - 845 ) ÷ 845] x 100 = -71.36%
Formula
Percentage change = [(242 - 845) / 845] x 100
Subtract the new number by the original number
242 - 845 = -603
-603 ÷ 845 = -0.7136094674556213
-0.7136094674556213 x 100 = -71.36%