-28.06% is the change from 677 to 487
Calculation steps:
[( 487 - 677 ) ÷ 677] x 100 = -28.06%
Formula
Percentage change = [(487 - 677) / 677] x 100
Subtract the new number by the original number
487 - 677 = -190
-190 ÷ 677 = -0.28064992614475626
-0.28064992614475626 x 100 = -28.06%