-99.52% is the change from 625 to 3
Calculation steps:
[( 3 - 625 ) ÷ 625] x 100 = -99.52%
Formula
Percentage change = [(3 - 625) / 625] x 100
Subtract the new number by the original number
3 - 625 = -622
-622 ÷ 625 = -0.9952
-0.9952 x 100 = -99.52%
Example