-71.76% is the change from 340 to 96
Calculation steps:
[( 96 - 340 ) ÷ 340] x 100 = -71.76%
Formula
Percentage change = [(96 - 340) / 340] x 100
Subtract the new number by the original number
96 - 340 = -244
-244 ÷ 340 = -0.7176470588235294
-0.7176470588235294 x 100 = -71.76%