-49.11% is the change from 845 to 430
Calculation steps:
[( 430 - 845 ) ÷ 845] x 100 = -49.11%
Formula
Percentage change = [(430 - 845) / 845] x 100
Subtract the new number by the original number
430 - 845 = -415
-415 ÷ 845 = -0.4911242603550296
-0.4911242603550296 x 100 = -49.11%