-23.71% is the change from 641 to 489
Calculation steps:
[( 489 - 641 ) ÷ 641] x 100 = -23.71%
Formula
Percentage change = [(489 - 641) / 641] x 100
Subtract the new number by the original number
489 - 641 = -152
-152 ÷ 641 = -0.23712948517940718
-0.23712948517940718 x 100 = -23.71%