-60.03% is the change from 668 to 267
Calculation steps:
[( 267 - 668 ) ÷ 668] x 100 = -60.03%
Formula
Percentage change = [(267 - 668) / 668] x 100
Subtract the new number by the original number
267 - 668 = -401
-401 ÷ 668 = -0.6002994011976048
-0.6002994011976048 x 100 = -60.03%