-62.37% is the change from 861 to 324
Calculation steps:
[( 324 - 861 ) ÷ 861] x 100 = -62.37%
Formula
Percentage change = [(324 - 861) / 861] x 100
Subtract the new number by the original number
324 - 861 = -537
-537 ÷ 861 = -0.6236933797909407
-0.6236933797909407 x 100 = -62.37%