-7.31% is the change from 698 to 647
Calculation steps:
[( 647 - 698 ) ÷ 698] x 100 = -7.31%
Formula
Percentage change = [(647 - 698) / 698] x 100
Subtract the new number by the original number
647 - 698 = -51
-51 ÷ 698 = -0.07306590257879657
-0.07306590257879657 x 100 = -7.31%