-26% is the change from 677 to 501
Calculation steps:
[( 501 - 677 ) ÷ 677] x 100 = -26%
Formula
Percentage change = [(501 - 677) / 677] x 100
Subtract the new number by the original number
501 - 677 = -176
-176 ÷ 677 = -0.25997045790251105
-0.25997045790251105 x 100 = -26%