167.54% is the change from 191 to 511
Calculation steps:
[( 511 - 191 ) ÷ 191] x 100 = 167.54%
Formula
Percentage change = [(511 - 191) / 191] x 100
Subtract the new number by the original number
511 - 191 = 320
320 ÷ 191 = 1.675392670157068
1.675392670157068 x 100 = 167.54%