-6.6% is the change from 712 to 665
Calculation steps:
[( 665 - 712 ) ÷ 712] x 100 = -6.6%
Formula
Percentage change = [(665 - 712) / 712] x 100
Subtract the new number by the original number
665 - 712 = -47
-47 ÷ 712 = -0.06601123595505617
-0.06601123595505617 x 100 = -6.6%