-37.13% is the change from 641 to 403
Calculation steps:
[( 403 - 641 ) ÷ 641] x 100 = -37.13%
Formula
Percentage change = [(403 - 641) / 641] x 100
Subtract the new number by the original number
403 - 641 = -238
-238 ÷ 641 = -0.3712948517940718
-0.3712948517940718 x 100 = -37.13%