172.19% is the change from 187 to 509
Calculation steps:
[( 509 - 187 ) ÷ 187] x 100 = 172.19%
Formula
Percentage change = [(509 - 187) / 187] x 100
Subtract the new number by the original number
509 - 187 = 322
322 ÷ 187 = 1.7219251336898396
1.7219251336898396 x 100 = 172.19%