-12.2% is the change from 943 to 828
Calculation steps:
[( 828 - 943 ) ÷ 943] x 100 = -12.2%
Formula
Percentage change = [(828 - 943) / 943] x 100
Subtract the new number by the original number
828 - 943 = -115
-115 ÷ 943 = -0.12195121951219512
-0.12195121951219512 x 100 = -12.2%