-17.54% is the change from 855 to 705
Calculation steps:
[( 705 - 855 ) ÷ 855] x 100 = -17.54%
Formula
Percentage change = [(705 - 855) / 855] x 100
Subtract the new number by the original number
705 - 855 = -150
-150 ÷ 855 = -0.17543859649122806
-0.17543859649122806 x 100 = -17.54%