-49.47% is the change from 847 to 428
Calculation steps:
[( 428 - 847 ) ÷ 847] x 100 = -49.47%
Formula
Percentage change = [(428 - 847) / 847] x 100
Subtract the new number by the original number
428 - 847 = -419
-419 ÷ 847 = -0.4946871310507674
-0.4946871310507674 x 100 = -49.47%