-29.33% is the change from 907 to 641
Calculation steps:
[( 641 - 907 ) ÷ 907] x 100 = -29.33%
Formula
Percentage change = [(641 - 907) / 907] x 100
Subtract the new number by the original number
641 - 907 = -266
-266 ÷ 907 = -0.2932745314222712
-0.2932745314222712 x 100 = -29.33%