-68.18% is the change from 968 to 308
Calculation steps:
[( 308 - 968 ) ÷ 968] x 100 = -68.18%
Formula
Percentage change = [(308 - 968) / 968] x 100
Subtract the new number by the original number
308 - 968 = -660
-660 ÷ 968 = -0.6818181818181818
-0.6818181818181818 x 100 = -68.18%