-50.54% is the change from 837 to 414
Calculation steps:
[( 414 - 837 ) ÷ 837] x 100 = -50.54%
Formula
Percentage change = [(414 - 837) / 837] x 100
Subtract the new number by the original number
414 - 837 = -423
-423 ÷ 837 = -0.5053763440860215
-0.5053763440860215 x 100 = -50.54%