109.57% is the change from 209 to 438
Calculation steps:
[( 438 - 209 ) ÷ 209] x 100 = 109.57%
Formula
Percentage change = [(438 - 209) / 209] x 100
Subtract the new number by the original number
438 - 209 = 229
229 ÷ 209 = 1.0956937799043063
1.0956937799043063 x 100 = 109.57%