-5.07% is the change from 828 to 786
Calculation steps:
[( 786 - 828 ) ÷ 828] x 100 = -5.07%
Formula
Percentage change = [(786 - 828) / 828] x 100
Subtract the new number by the original number
786 - 828 = -42
-42 ÷ 828 = -0.050724637681159424
-0.050724637681159424 x 100 = -5.07%