151.18% is the change from 340 to 854
Calculation steps:
[( 854 - 340 ) ÷ 340] x 100 = 151.18%
Formula
Percentage change = [(854 - 340) / 340] x 100
Subtract the new number by the original number
854 - 340 = 514
514 ÷ 340 = 1.511764705882353
1.511764705882353 x 100 = 151.18%