-9.63% is the change from 737 to 666
Calculation steps:
[( 666 - 737 ) ÷ 737] x 100 = -9.63%
Formula
Percentage change = [(666 - 737) / 737] x 100
Subtract the new number by the original number
666 - 737 = -71
-71 ÷ 737 = -0.09633649932157395
-0.09633649932157395 x 100 = -9.63%