-51.58% is the change from 855 to 414
Calculation steps:
[( 414 - 855 ) ÷ 855] x 100 = -51.58%
Formula
Percentage change = [(414 - 855) / 855] x 100
Subtract the new number by the original number
414 - 855 = -441
-441 ÷ 855 = -0.5157894736842106
-0.5157894736842106 x 100 = -51.58%