-33.3% is the change from 955 to 637
Calculation steps:
[( 637 - 955 ) ÷ 955] x 100 = -33.3%
Formula
Percentage change = [(637 - 955) / 955] x 100
Subtract the new number by the original number
637 - 955 = -318
-318 ÷ 955 = -0.33298429319371725
-0.33298429319371725 x 100 = -33.3%