-59.58% is the change from 621 to 251
Calculation steps:
[( 251 - 621 ) ÷ 621] x 100 = -59.58%
Formula
Percentage change = [(251 - 621) / 621] x 100
Subtract the new number by the original number
251 - 621 = -370
-370 ÷ 621 = -0.5958132045088567
-0.5958132045088567 x 100 = -59.58%