-30.3% is the change from 637 to 444
Calculation steps:
[( 444 - 637 ) ÷ 637] x 100 = -30.3%
Formula
Percentage change = [(444 - 637) / 637] x 100
Subtract the new number by the original number
444 - 637 = -193
-193 ÷ 637 = -0.3029827315541601
-0.3029827315541601 x 100 = -30.3%