-69.05% is the change from 866 to 268
Calculation steps:
[( 268 - 866 ) ÷ 866] x 100 = -69.05%
Formula
Percentage change = [(268 - 866) / 866] x 100
Subtract the new number by the original number
268 - 866 = -598
-598 ÷ 866 = -0.6905311778290993
-0.6905311778290993 x 100 = -69.05%