153.24% is the change from 340 to 861
Calculation steps:
[( 861 - 340 ) ÷ 340] x 100 = 153.24%
Formula
Percentage change = [(861 - 340) / 340] x 100
Subtract the new number by the original number
861 - 340 = 521
521 ÷ 340 = 1.5323529411764707
1.5323529411764707 x 100 = 153.24%