-8.71% is the change from 677 to 618
Calculation steps:
[( 618 - 677 ) ÷ 677] x 100 = -8.71%
Formula
Percentage change = [(618 - 677) / 677] x 100
Subtract the new number by the original number
618 - 677 = -59
-59 ÷ 677 = -0.08714918759231906
-0.08714918759231906 x 100 = -8.71%