69.38% is the change from 209 to 354
Calculation steps:
[( 354 - 209 ) ÷ 209] x 100 = 69.38%
Formula
Percentage change = [(354 - 209) / 209] x 100
Subtract the new number by the original number
354 - 209 = 145
145 ÷ 209 = 0.69377990430622
0.69377990430622 x 100 = 69.38%