-9.67% is the change from 817 to 738
Calculation steps:
[( 738 - 817 ) ÷ 817] x 100 = -9.67%
Formula
Percentage change = [(738 - 817) / 817] x 100
Subtract the new number by the original number
738 - 817 = -79
-79 ÷ 817 = -0.0966952264381885
-0.0966952264381885 x 100 = -9.67%