-68.89% is the change from 868 to 270
Calculation steps:
[( 270 - 868 ) ÷ 868] x 100 = -68.89%
Formula
Percentage change = [(270 - 868) / 868] x 100
Subtract the new number by the original number
270 - 868 = -598
-598 ÷ 868 = -0.6889400921658986
-0.6889400921658986 x 100 = -68.89%