-64.17% is the change from 868 to 311
Calculation steps:
[( 311 - 868 ) ÷ 868] x 100 = -64.17%
Formula
Percentage change = [(311 - 868) / 868] x 100
Subtract the new number by the original number
311 - 868 = -557
-557 ÷ 868 = -0.6417050691244239
-0.6417050691244239 x 100 = -64.17%