-10.68% is the change from 927 to 828
Calculation steps:
[( 828 - 927 ) ÷ 927] x 100 = -10.68%
Formula
Percentage change = [(828 - 927) / 927] x 100
Subtract the new number by the original number
828 - 927 = -99
-99 ÷ 927 = -0.10679611650485436
-0.10679611650485436 x 100 = -10.68%