-15.38% is the change from 819 to 693
Calculation steps:
[( 693 - 819 ) ÷ 819] x 100 = -15.38%
Formula
Percentage change = [(693 - 819) / 819] x 100
Subtract the new number by the original number
693 - 819 = -126
-126 ÷ 819 = -0.15384615384615385
-0.15384615384615385 x 100 = -15.38%