-25.09% is the change from 845 to 633
Calculation steps:
[( 633 - 845 ) ÷ 845] x 100 = -25.09%
Formula
Percentage change = [(633 - 845) / 845] x 100
Subtract the new number by the original number
633 - 845 = -212
-212 ÷ 845 = -0.25088757396449707
-0.25088757396449707 x 100 = -25.09%