-50.24% is the change from 848 to 422
Calculation steps:
[( 422 - 848 ) ÷ 848] x 100 = -50.24%
Formula
Percentage change = [(422 - 848) / 848] x 100
Subtract the new number by the original number
422 - 848 = -426
-426 ÷ 848 = -0.5023584905660378
-0.5023584905660378 x 100 = -50.24%