-13.06% is the change from 942 to 819
Calculation steps:
[( 819 - 942 ) ÷ 942] x 100 = -13.06%
Formula
Percentage change = [(819 - 942) / 942] x 100
Subtract the new number by the original number
819 - 942 = -123
-123 ÷ 942 = -0.1305732484076433
-0.1305732484076433 x 100 = -13.06%
Example