-67.87% is the change from 968 to 311
Calculation steps:
[( 311 - 968 ) ÷ 968] x 100 = -67.87%
Formula
Percentage change = [(311 - 968) / 968] x 100
Subtract the new number by the original number
311 - 968 = -657
-657 ÷ 968 = -0.6787190082644629
-0.6787190082644629 x 100 = -67.87%