152.34% is the change from 342 to 863
Calculation steps:
[( 863 - 342 ) ÷ 342] x 100 = 152.34%
Formula
Percentage change = [(863 - 342) / 342] x 100
Subtract the new number by the original number
863 - 342 = 521
521 ÷ 342 = 1.523391812865497
1.523391812865497 x 100 = 152.34%