-29.83% is the change from 905 to 635
Calculation steps:
[( 635 - 905 ) ÷ 905] x 100 = -29.83%
Formula
Percentage change = [(635 - 905) / 905] x 100
Subtract the new number by the original number
635 - 905 = -270
-270 ÷ 905 = -0.2983425414364641
-0.2983425414364641 x 100 = -29.83%