148.26% is the change from 344 to 854
Calculation steps:
[( 854 - 344 ) ÷ 344] x 100 = 148.26%
Formula
Percentage change = [(854 - 344) / 344] x 100
Subtract the new number by the original number
854 - 344 = 510
510 ÷ 344 = 1.4825581395348837
1.4825581395348837 x 100 = 148.26%