-38.82% is the change from 340 to 208
Calculation steps:
[( 208 - 340 ) ÷ 340] x 100 = -38.82%
Formula
Percentage change = [(208 - 340) / 340] x 100
Subtract the new number by the original number
208 - 340 = -132
-132 ÷ 340 = -0.38823529411764707
-0.38823529411764707 x 100 = -38.82%