-72.77% is the change from 628 to 171
Calculation steps:
[( 171 - 628 ) ÷ 628] x 100 = -72.77%
Formula
Percentage change = [(171 - 628) / 628] x 100
Subtract the new number by the original number
171 - 628 = -457
-457 ÷ 628 = -0.7277070063694268
-0.7277070063694268 x 100 = -72.77%