154.07% is the change from 209 to 531
Calculation steps:
[( 531 - 209 ) ÷ 209] x 100 = 154.07%
Formula
Percentage change = [(531 - 209) / 209] x 100
Subtract the new number by the original number
531 - 209 = 322
322 ÷ 209 = 1.5406698564593302
1.5406698564593302 x 100 = 154.07%