-75.32% is the change from 628 to 155
Calculation steps:
[( 155 - 628 ) ÷ 628] x 100 = -75.32%
Formula
Percentage change = [(155 - 628) / 628] x 100
Subtract the new number by the original number
155 - 628 = -473
-473 ÷ 628 = -0.7531847133757962
-0.7531847133757962 x 100 = -75.32%