-7.95% is the change from 855 to 787
Calculation steps:
[( 787 - 855 ) ÷ 855] x 100 = -7.95%
Formula
Percentage change = [(787 - 855) / 855] x 100
Subtract the new number by the original number
787 - 855 = -68
-68 ÷ 855 = -0.07953216374269007
-0.07953216374269007 x 100 = -7.95%