-41.31% is the change from 639 to 375
Calculation steps:
[( 375 - 639 ) ÷ 639] x 100 = -41.31%
Formula
Percentage change = [(375 - 639) / 639] x 100
Subtract the new number by the original number
375 - 639 = -264
-264 ÷ 639 = -0.4131455399061033
-0.4131455399061033 x 100 = -41.31%