-65.88% is the change from 340 to 116
Calculation steps:
[( 116 - 340 ) ÷ 340] x 100 = -65.88%
Formula
Percentage change = [(116 - 340) / 340] x 100
Subtract the new number by the original number
116 - 340 = -224
-224 ÷ 340 = -0.6588235294117647
-0.6588235294117647 x 100 = -65.88%