-7.75% is the change from 813 to 750
Calculation steps:
[( 750 - 813 ) ÷ 813] x 100 = -7.75%
Formula
Percentage change = [(750 - 813) / 813] x 100
Subtract the new number by the original number
750 - 813 = -63
-63 ÷ 813 = -0.07749077490774908
-0.07749077490774908 x 100 = -7.75%