-21.86% is the change from 677 to 529
Calculation steps:
[( 529 - 677 ) ÷ 677] x 100 = -21.86%
Formula
Percentage change = [(529 - 677) / 677] x 100
Subtract the new number by the original number
529 - 677 = -148
-148 ÷ 677 = -0.21861152141802068
-0.21861152141802068 x 100 = -21.86%