-67.44% is the change from 823 to 268
Calculation steps:
[( 268 - 823 ) ÷ 823] x 100 = -67.44%
Formula
Percentage change = [(268 - 823) / 823] x 100
Subtract the new number by the original number
268 - 823 = -555
-555 ÷ 823 = -0.6743620899149453
-0.6743620899149453 x 100 = -67.44%