-49.65% is the change from 848 to 427
Calculation steps:
[( 427 - 848 ) ÷ 848] x 100 = -49.65%
Formula
Percentage change = [(427 - 848) / 848] x 100
Subtract the new number by the original number
427 - 848 = -421
-421 ÷ 848 = -0.4964622641509434
-0.4964622641509434 x 100 = -49.65%