-9.23% is the change from 813 to 738
Calculation steps:
[( 738 - 813 ) ÷ 813] x 100 = -9.23%
Formula
Percentage change = [(738 - 813) / 813] x 100
Subtract the new number by the original number
738 - 813 = -75
-75 ÷ 813 = -0.09225092250922509
-0.09225092250922509 x 100 = -9.23%