-15.79% is the change from 836 to 704
Calculation steps:
[( 704 - 836 ) ÷ 836] x 100 = -15.79%
Formula
Percentage change = [(704 - 836) / 836] x 100
Subtract the new number by the original number
704 - 836 = -132
-132 ÷ 836 = -0.15789473684210525
-0.15789473684210525 x 100 = -15.79%