-8.64% is the change from 810 to 740
Calculation steps:
[( 740 - 810 ) ÷ 810] x 100 = -8.64%
Formula
Percentage change = [(740 - 810) / 810] x 100
Subtract the new number by the original number
740 - 810 = -70
-70 ÷ 810 = -0.08641975308641975
-0.08641975308641975 x 100 = -8.64%