-32.2% is the change from 941 to 638
Calculation steps:
[( 638 - 941 ) ÷ 941] x 100 = -32.2%
Formula
Percentage change = [(638 - 941) / 941] x 100
Subtract the new number by the original number
638 - 941 = -303
-303 ÷ 941 = -0.32199787460148777
-0.32199787460148777 x 100 = -32.2%