-52.43% is the change from 845 to 402
Calculation steps:
[( 402 - 845 ) ÷ 845] x 100 = -52.43%
Formula
Percentage change = [(402 - 845) / 845] x 100
Subtract the new number by the original number
402 - 845 = -443
-443 ÷ 845 = -0.5242603550295858
-0.5242603550295858 x 100 = -52.43%