-39.83% is the change from 344 to 207
Calculation steps:
[( 207 - 344 ) ÷ 344] x 100 = -39.83%
Formula
Percentage change = [(207 - 344) / 344] x 100
Subtract the new number by the original number
207 - 344 = -137
-137 ÷ 344 = -0.39825581395348836
-0.39825581395348836 x 100 = -39.83%