-52.09% is the change from 837 to 401
Calculation steps:
[( 401 - 837 ) ÷ 837] x 100 = -52.09%
Formula
Percentage change = [(401 - 837) / 837] x 100
Subtract the new number by the original number
401 - 837 = -436
-436 ÷ 837 = -0.5209080047789725
-0.5209080047789725 x 100 = -52.09%