163.16% is the change from 209 to 550
Calculation steps:
[( 550 - 209 ) ÷ 209] x 100 = 163.16%
Formula
Percentage change = [(550 - 209) / 209] x 100
Subtract the new number by the original number
550 - 209 = 341
341 ÷ 209 = 1.631578947368421
1.631578947368421 x 100 = 163.16%