-52.07% is the change from 676 to 324
Calculation steps:
[( 324 - 676 ) ÷ 676] x 100 = -52.07%
Formula
Percentage change = [(324 - 676) / 676] x 100
Subtract the new number by the original number
324 - 676 = -352
-352 ÷ 676 = -0.5207100591715976
-0.5207100591715976 x 100 = -52.07%