-58.48% is the change from 643 to 267
Calculation steps:
[( 267 - 643 ) ÷ 643] x 100 = -58.48%
Formula
Percentage change = [(267 - 643) / 643] x 100
Subtract the new number by the original number
267 - 643 = -376
-376 ÷ 643 = -0.5847589424572317
-0.5847589424572317 x 100 = -58.48%