-35.4% is the change from 986 to 637
Calculation steps:
[( 637 - 986 ) ÷ 986] x 100 = -35.4%
Formula
Percentage change = [(637 - 986) / 986] x 100
Subtract the new number by the original number
637 - 986 = -349
-349 ÷ 986 = -0.3539553752535497
-0.3539553752535497 x 100 = -35.4%