-63.77% is the change from 621 to 225
Calculation steps:
[( 225 - 621 ) ÷ 621] x 100 = -63.77%
Formula
Percentage change = [(225 - 621) / 621] x 100
Subtract the new number by the original number
225 - 621 = -396
-396 ÷ 621 = -0.6376811594202898
-0.6376811594202898 x 100 = -63.77%