-9.51% is the change from 736 to 666
Calculation steps:
[( 666 - 736 ) ÷ 736] x 100 = -9.51%
Formula
Percentage change = [(666 - 736) / 736] x 100
Subtract the new number by the original number
666 - 736 = -70
-70 ÷ 736 = -0.09510869565217392
-0.09510869565217392 x 100 = -9.51%