-28.68% is the change from 903 to 644
Calculation steps:
[( 644 - 903 ) ÷ 903] x 100 = -28.68%
Formula
Percentage change = [(644 - 903) / 903] x 100
Subtract the new number by the original number
644 - 903 = -259
-259 ÷ 903 = -0.2868217054263566
-0.2868217054263566 x 100 = -28.68%