-35.3% is the change from 983 to 636
Calculation steps:
[( 636 - 983 ) ÷ 983] x 100 = -35.3%
Formula
Percentage change = [(636 - 983) / 983] x 100
Subtract the new number by the original number
636 - 983 = -347
-347 ÷ 983 = -0.35300101729399797
-0.35300101729399797 x 100 = -35.3%