-49.94% is the change from 837 to 419
Calculation steps:
[( 419 - 837 ) ÷ 837] x 100 = -49.94%
Formula
Percentage change = [(419 - 837) / 837] x 100
Subtract the new number by the original number
419 - 837 = -418
-418 ÷ 837 = -0.4994026284348865
-0.4994026284348865 x 100 = -49.94%