-30.77% is the change from 637 to 441
Calculation steps:
[( 441 - 637 ) ÷ 637] x 100 = -30.77%
Formula
Percentage change = [(441 - 637) / 637] x 100
Subtract the new number by the original number
441 - 637 = -196
-196 ÷ 637 = -0.3076923076923077
-0.3076923076923077 x 100 = -30.77%