-6.84% is the change from 819 to 763
Calculation steps:
[( 763 - 819 ) ÷ 819] x 100 = -6.84%
Formula
Percentage change = [(763 - 819) / 819] x 100
Subtract the new number by the original number
763 - 819 = -56
-56 ÷ 819 = -0.06837606837606838
-0.06837606837606838 x 100 = -6.84%