155% is the change from 340 to 867
Calculation steps:
[( 867 - 340 ) ÷ 340] x 100 = 155%
Formula
Percentage change = [(867 - 340) / 340] x 100
Subtract the new number by the original number
867 - 340 = 527
527 ÷ 340 = 1.55
1.55 x 100 = 155%
Example