-17.76% is the change from 856 to 704
Calculation steps:
[( 704 - 856 ) ÷ 856] x 100 = -17.76%
Formula
Percentage change = [(704 - 856) / 856] x 100
Subtract the new number by the original number
704 - 856 = -152
-152 ÷ 856 = -0.17757009345794392
-0.17757009345794392 x 100 = -17.76%