-20.35% is the change from 344 to 274
Calculation steps:
[( 274 - 344 ) ÷ 344] x 100 = -20.35%
Formula
Percentage change = [(274 - 344) / 344] x 100
Subtract the new number by the original number
274 - 344 = -70
-70 ÷ 344 = -0.20348837209302326
-0.20348837209302326 x 100 = -20.35%