-73.64% is the change from 239 to 63
Calculation steps:
[( 63 - 239 ) ÷ 239] x 100 = -73.64%
Formula
Percentage change = [(63 - 239) / 239] x 100
Subtract the new number by the original number
63 - 239 = -176
-176 ÷ 239 = -0.7364016736401674
-0.7364016736401674 x 100 = -73.64%