-35.27% is the change from 981 to 635
Calculation steps:
[( 635 - 981 ) ÷ 981] x 100 = -35.27%
Formula
Percentage change = [(635 - 981) / 981] x 100
Subtract the new number by the original number
635 - 981 = -346
-346 ÷ 981 = -0.3527013251783894
-0.3527013251783894 x 100 = -35.27%