-72.78% is the change from 643 to 175
Calculation steps:
[( 175 - 643 ) ÷ 643] x 100 = -72.78%
Formula
Percentage change = [(175 - 643) / 643] x 100
Subtract the new number by the original number
175 - 643 = -468
-468 ÷ 643 = -0.7278382581648523
-0.7278382581648523 x 100 = -72.78%