-72.29% is the change from 646 to 179
Calculation steps:
[( 179 - 646 ) ÷ 646] x 100 = -72.29%
Formula
Percentage change = [(179 - 646) / 646] x 100
Subtract the new number by the original number
179 - 646 = -467
-467 ÷ 646 = -0.7229102167182663
-0.7229102167182663 x 100 = -72.29%