-44.71% is the change from 340 to 188
Calculation steps:
[( 188 - 340 ) ÷ 340] x 100 = -44.71%
Formula
Percentage change = [(188 - 340) / 340] x 100
Subtract the new number by the original number
188 - 340 = -152
-152 ÷ 340 = -0.4470588235294118
-0.4470588235294118 x 100 = -44.71%