-67.9% is the change from 835 to 268
Calculation steps:
[( 268 - 835 ) ÷ 835] x 100 = -67.9%
Formula
Percentage change = [(268 - 835) / 835] x 100
Subtract the new number by the original number
268 - 835 = -567
-567 ÷ 835 = -0.6790419161676646
-0.6790419161676646 x 100 = -67.9%