-60.2% is the change from 814 to 324
Calculation steps:
[( 324 - 814 ) ÷ 814] x 100 = -60.2%
Formula
Percentage change = [(324 - 814) / 814] x 100
Subtract the new number by the original number
324 - 814 = -490
-490 ÷ 814 = -0.601965601965602
-0.601965601965602 x 100 = -60.2%