-5.5% is the change from 855 to 808
Calculation steps:
[( 808 - 855 ) ÷ 855] x 100 = -5.5%
Formula
Percentage change = [(808 - 855) / 855] x 100
Subtract the new number by the original number
808 - 855 = -47
-47 ÷ 855 = -0.05497076023391813
-0.05497076023391813 x 100 = -5.5%