-6.51% is the change from 707 to 661
Calculation steps:
[( 661 - 707 ) ÷ 707] x 100 = -6.51%
Formula
Percentage change = [(661 - 707) / 707] x 100
Subtract the new number by the original number
661 - 707 = -46
-46 ÷ 707 = -0.06506364922206506
-0.06506364922206506 x 100 = -6.51%