-14.71% is the change from 938 to 800
Calculation steps:
[( 800 - 938 ) ÷ 938] x 100 = -14.71%
Formula
Percentage change = [(800 - 938) / 938] x 100
Subtract the new number by the original number
800 - 938 = -138
-138 ÷ 938 = -0.14712153518123666
-0.14712153518123666 x 100 = -14.71%