-62.71% is the change from 641 to 239
Calculation steps:
[( 239 - 641 ) ÷ 641] x 100 = -62.71%
Formula
Percentage change = [(239 - 641) / 641] x 100
Subtract the new number by the original number
239 - 641 = -402
-402 ÷ 641 = -0.6271450858034321
-0.6271450858034321 x 100 = -62.71%