-67.2% is the change from 814 to 267
Calculation steps:
[( 267 - 814 ) ÷ 814] x 100 = -67.2%
Formula
Percentage change = [(267 - 814) / 814] x 100
Subtract the new number by the original number
267 - 814 = -547
-547 ÷ 814 = -0.671990171990172
-0.671990171990172 x 100 = -67.2%