-13.04% is the change from 943 to 820
Calculation steps:
[( 820 - 943 ) ÷ 943] x 100 = -13.04%
Formula
Percentage change = [(820 - 943) / 943] x 100
Subtract the new number by the original number
820 - 943 = -123
-123 ÷ 943 = -0.13043478260869565
-0.13043478260869565 x 100 = -13.04%