-17.85% is the change from 857 to 704
Calculation steps:
[( 704 - 857 ) ÷ 857] x 100 = -17.85%
Formula
Percentage change = [(704 - 857) / 857] x 100
Subtract the new number by the original number
704 - 857 = -153
-153 ÷ 857 = -0.17852975495915985
-0.17852975495915985 x 100 = -17.85%