-12.69% is the change from 938 to 819
Calculation steps:
[( 819 - 938 ) ÷ 938] x 100 = -12.69%
Formula
Percentage change = [(819 - 938) / 938] x 100
Subtract the new number by the original number
819 - 938 = -119
-119 ÷ 938 = -0.12686567164179105
-0.12686567164179105 x 100 = -12.69%