-47.85% is the change from 836 to 436
Calculation steps:
[( 436 - 836 ) ÷ 836] x 100 = -47.85%
Formula
Percentage change = [(436 - 836) / 836] x 100
Subtract the new number by the original number
436 - 836 = -400
-400 ÷ 836 = -0.4784688995215311
-0.4784688995215311 x 100 = -47.85%