142.58% is the change from 209 to 507
Calculation steps:
[( 507 - 209 ) ÷ 209] x 100 = 142.58%
Formula
Percentage change = [(507 - 209) / 209] x 100
Subtract the new number by the original number
507 - 209 = 298
298 ÷ 209 = 1.4258373205741626
1.4258373205741626 x 100 = 142.58%