-67.28% is the change from 816 to 267
Calculation steps:
[( 267 - 816 ) ÷ 816] x 100 = -67.28%
Formula
Percentage change = [(267 - 816) / 816] x 100
Subtract the new number by the original number
267 - 816 = -549
-549 ÷ 816 = -0.6727941176470589
-0.6727941176470589 x 100 = -67.28%