-47.98% is the change from 842 to 438
Calculation steps:
[( 438 - 842 ) ÷ 842] x 100 = -47.98%
Formula
Percentage change = [(438 - 842) / 842] x 100
Subtract the new number by the original number
438 - 842 = -404
-404 ÷ 842 = -0.47980997624703087
-0.47980997624703087 x 100 = -47.98%