140.7% is the change from 344 to 828
Calculation steps:
[( 828 - 344 ) ÷ 344] x 100 = 140.7%
Formula
Percentage change = [(828 - 344) / 344] x 100
Subtract the new number by the original number
828 - 344 = 484
484 ÷ 344 = 1.4069767441860466
1.4069767441860466 x 100 = 140.7%