-4.26% is the change from 821 to 786
Calculation steps:
[( 786 - 821 ) ÷ 821] x 100 = -4.26%
Formula
Percentage change = [(786 - 821) / 821] x 100
Subtract the new number by the original number
786 - 821 = -35
-35 ÷ 821 = -0.04263093788063337
-0.04263093788063337 x 100 = -4.26%