-4.45% is the change from 697 to 666
Calculation steps:
[( 666 - 697 ) ÷ 697] x 100 = -4.45%
Formula
Percentage change = [(666 - 697) / 697] x 100
Subtract the new number by the original number
666 - 697 = -31
-31 ÷ 697 = -0.04447632711621234
-0.04447632711621234 x 100 = -4.45%