-29.91% is the change from 906 to 635
Calculation steps:
[( 635 - 906 ) ÷ 906] x 100 = -29.91%
Formula
Percentage change = [(635 - 906) / 906] x 100
Subtract the new number by the original number
635 - 906 = -271
-271 ÷ 906 = -0.29911699779249445
-0.29911699779249445 x 100 = -29.91%