-71.01% is the change from 845 to 245
Calculation steps:
[( 245 - 845 ) ÷ 845] x 100 = -71.01%
Formula
Percentage change = [(245 - 845) / 845] x 100
Subtract the new number by the original number
245 - 845 = -600
-600 ÷ 845 = -0.7100591715976331
-0.7100591715976331 x 100 = -71.01%