162.37% is the change from 194 to 509
Calculation steps:
[( 509 - 194 ) ÷ 194] x 100 = 162.37%
Formula
Percentage change = [(509 - 194) / 194] x 100
Subtract the new number by the original number
509 - 194 = 315
315 ÷ 194 = 1.6237113402061856
1.6237113402061856 x 100 = 162.37%