-79.65% is the change from 629 to 128
Calculation steps:
[( 128 - 629 ) ÷ 629] x 100 = -79.65%
Formula
Percentage change = [(128 - 629) / 629] x 100
Subtract the new number by the original number
128 - 629 = -501
-501 ÷ 629 = -0.7965023847376789
-0.7965023847376789 x 100 = -79.65%