342.11% is the change from 171 to 756
Calculation steps:
[( 756 - 171 ) ÷ 171] x 100 = 342.11%
Formula
Percentage change = [(756 - 171) / 171] x 100
Subtract the new number by the original number
756 - 171 = 585
585 ÷ 171 = 3.4210526315789473
3.4210526315789473 x 100 = 342.11%