151.45% is the change from 344 to 865
Calculation steps:
[( 865 - 344 ) ÷ 344] x 100 = 151.45%
Formula
Percentage change = [(865 - 344) / 344] x 100
Subtract the new number by the original number
865 - 344 = 521
521 ÷ 344 = 1.5145348837209303
1.5145348837209303 x 100 = 151.45%