-67.65% is the change from 816 to 264
Calculation steps:
[( 264 - 816 ) ÷ 816] x 100 = -67.65%
Formula
Percentage change = [(264 - 816) / 816] x 100
Subtract the new number by the original number
264 - 816 = -552
-552 ÷ 816 = -0.6764705882352942
-0.6764705882352942 x 100 = -67.65%