-46.18% is the change from 340 to 183
Calculation steps:
[( 183 - 340 ) ÷ 340] x 100 = -46.18%
Formula
Percentage change = [(183 - 340) / 340] x 100
Subtract the new number by the original number
183 - 340 = -157
-157 ÷ 340 = -0.46176470588235297
-0.46176470588235297 x 100 = -46.18%