-99.05% is the change from 629 to 6
Calculation steps:
[( 6 - 629 ) ÷ 629] x 100 = -99.05%
Formula
Percentage change = [(6 - 629) / 629] x 100
Subtract the new number by the original number
6 - 629 = -623
-623 ÷ 629 = -0.9904610492845787
-0.9904610492845787 x 100 = -99.05%