-78.14% is the change from 311 to 68
Calculation steps:
[( 68 - 311 ) ÷ 311] x 100 = -78.14%
Formula
Percentage change = [(68 - 311) / 311] x 100
Subtract the new number by the original number
68 - 311 = -243
-243 ÷ 311 = -0.7813504823151125
-0.7813504823151125 x 100 = -78.14%