-72.83% is the change from 644 to 175
Calculation steps:
[( 175 - 644 ) ÷ 644] x 100 = -72.83%
Formula
Percentage change = [(175 - 644) / 644] x 100
Subtract the new number by the original number
175 - 644 = -469
-469 ÷ 644 = -0.7282608695652174
-0.7282608695652174 x 100 = -72.83%