-47.73% is the change from 836 to 437
Calculation steps:
[( 437 - 836 ) ÷ 836] x 100 = -47.73%
Formula
Percentage change = [(437 - 836) / 836] x 100
Subtract the new number by the original number
437 - 836 = -399
-399 ÷ 836 = -0.4772727272727273
-0.4772727272727273 x 100 = -47.73%