-11.04% is the change from 933 to 830
Calculation steps:
[( 830 - 933 ) ÷ 933] x 100 = -11.04%
Formula
Percentage change = [(830 - 933) / 933] x 100
Subtract the new number by the original number
830 - 933 = -103
-103 ÷ 933 = -0.11039657020364416
-0.11039657020364416 x 100 = -11.04%