-10.38% is the change from 819 to 734
Calculation steps:
[( 734 - 819 ) ÷ 819] x 100 = -10.38%
Formula
Percentage change = [(734 - 819) / 819] x 100
Subtract the new number by the original number
734 - 819 = -85
-85 ÷ 819 = -0.10378510378510379
-0.10378510378510379 x 100 = -10.38%