-64.27% is the change from 641 to 229
Calculation steps:
[( 229 - 641 ) ÷ 641] x 100 = -64.27%
Formula
Percentage change = [(229 - 641) / 641] x 100
Subtract the new number by the original number
229 - 641 = -412
-412 ÷ 641 = -0.6427457098283932
-0.6427457098283932 x 100 = -64.27%