138.95% is the change from 344 to 822
Calculation steps:
[( 822 - 344 ) ÷ 344] x 100 = 138.95%
Formula
Percentage change = [(822 - 344) / 344] x 100
Subtract the new number by the original number
822 - 344 = 478
478 ÷ 344 = 1.3895348837209303
1.3895348837209303 x 100 = 138.95%