-15.99% is the change from 838 to 704
Calculation steps:
[( 704 - 838 ) ÷ 838] x 100 = -15.99%
Formula
Percentage change = [(704 - 838) / 838] x 100
Subtract the new number by the original number
704 - 838 = -134
-134 ÷ 838 = -0.15990453460620524
-0.15990453460620524 x 100 = -15.99%