-20.82% is the change from 802 to 635
Calculation steps:
[( 635 - 802 ) ÷ 802] x 100 = -20.82%
Formula
Percentage change = [(635 - 802) / 802] x 100
Subtract the new number by the original number
635 - 802 = -167
-167 ÷ 802 = -0.2082294264339152
-0.2082294264339152 x 100 = -20.82%