-48.72% is the change from 626 to 321
Calculation steps:
[( 321 - 626 ) ÷ 626] x 100 = -48.72%
Formula
Percentage change = [(321 - 626) / 626] x 100
Subtract the new number by the original number
321 - 626 = -305
-305 ÷ 626 = -0.48722044728434505
-0.48722044728434505 x 100 = -48.72%