-68.73% is the change from 857 to 268
Calculation steps:
[( 268 - 857 ) ÷ 857] x 100 = -68.73%
Formula
Percentage change = [(268 - 857) / 857] x 100
Subtract the new number by the original number
268 - 857 = -589
-589 ÷ 857 = -0.6872812135355892
-0.6872812135355892 x 100 = -68.73%