-58.22% is the change from 639 to 267
Calculation steps:
[( 267 - 639 ) ÷ 639] x 100 = -58.22%
Formula
Percentage change = [(267 - 639) / 639] x 100
Subtract the new number by the original number
267 - 639 = -372
-372 ÷ 639 = -0.5821596244131455
-0.5821596244131455 x 100 = -58.22%