-52.14% is the change from 677 to 324
Calculation steps:
[( 324 - 677 ) ÷ 677] x 100 = -52.14%
Formula
Percentage change = [(324 - 677) / 677] x 100
Subtract the new number by the original number
324 - 677 = -353
-353 ÷ 677 = -0.5214180206794683
-0.5214180206794683 x 100 = -52.14%