-36.05% is the change from 993 to 635
Calculation steps:
[( 635 - 993 ) ÷ 993] x 100 = -36.05%
Formula
Percentage change = [(635 - 993) / 993] x 100
Subtract the new number by the original number
635 - 993 = -358
-358 ÷ 993 = -0.3605236656596173
-0.3605236656596173 x 100 = -36.05%