-47.34% is the change from 621 to 327
Calculation steps:
[( 327 - 621 ) ÷ 621] x 100 = -47.34%
Formula
Percentage change = [(327 - 621) / 621] x 100
Subtract the new number by the original number
327 - 621 = -294
-294 ÷ 621 = -0.47342995169082125
-0.47342995169082125 x 100 = -47.34%