-16.3% is the change from 828 to 693
Calculation steps:
[( 693 - 828 ) ÷ 828] x 100 = -16.3%
Formula
Percentage change = [(693 - 828) / 828] x 100
Subtract the new number by the original number
693 - 828 = -135
-135 ÷ 828 = -0.16304347826086957
-0.16304347826086957 x 100 = -16.3%