-38.35% is the change from 837 to 516
Calculation steps:
[( 516 - 837 ) ÷ 837] x 100 = -38.35%
Formula
Percentage change = [(516 - 837) / 837] x 100
Subtract the new number by the original number
516 - 837 = -321
-321 ÷ 837 = -0.3835125448028674
-0.3835125448028674 x 100 = -38.35%