-29.41% is the change from 908 to 641
Calculation steps:
[( 641 - 908 ) ÷ 908] x 100 = -29.41%
Formula
Percentage change = [(641 - 908) / 908] x 100
Subtract the new number by the original number
641 - 908 = -267
-267 ÷ 908 = -0.29405286343612336
-0.29405286343612336 x 100 = -29.41%