171.2% is the change from 191 to 518
Calculation steps:
[( 518 - 191 ) ÷ 191] x 100 = 171.2%
Formula
Percentage change = [(518 - 191) / 191] x 100
Subtract the new number by the original number
518 - 191 = 327
327 ÷ 191 = 1.712041884816754
1.712041884816754 x 100 = 171.2%