-4.63% is the change from 800 to 763
Calculation steps:
[( 763 - 800 ) ÷ 800] x 100 = -4.63%
Formula
Percentage change = [(763 - 800) / 800] x 100
Subtract the new number by the original number
763 - 800 = -37
-37 ÷ 800 = -0.04625
-0.04625 x 100 = -4.63%