-2.6% is the change from 808 to 787
Calculation steps:
[( 787 - 808 ) ÷ 808] x 100 = -2.6%
Formula
Percentage change = [(787 - 808) / 808] x 100
Subtract the new number by the original number
787 - 808 = -21
-21 ÷ 808 = -0.02599009900990099
-0.02599009900990099 x 100 = -2.6%