-29.6% is the change from 902 to 635
Calculation steps:
[( 635 - 902 ) ÷ 902] x 100 = -29.6%
Formula
Percentage change = [(635 - 902) / 902] x 100
Subtract the new number by the original number
635 - 902 = -267
-267 ÷ 902 = -0.2960088691796009
-0.2960088691796009 x 100 = -29.6%