90.43% is the change from 209 to 398
Calculation steps:
[( 398 - 209 ) ÷ 209] x 100 = 90.43%
Formula
Percentage change = [(398 - 209) / 209] x 100
Subtract the new number by the original number
398 - 209 = 189
189 ÷ 209 = 0.9043062200956937
0.9043062200956937 x 100 = 90.43%