-96.97% is the change from 628 to 19
Calculation steps:
[( 19 - 628 ) ÷ 628] x 100 = -96.97%
Formula
Percentage change = [(19 - 628) / 628] x 100
Subtract the new number by the original number
19 - 628 = -609
-609 ÷ 628 = -0.9697452229299363
-0.9697452229299363 x 100 = -96.97%