34.07% is the change from 678 to 909
Calculation steps:
[( 909 - 678 ) ÷ 678] x 100 = 34.07%
Formula
Percentage change = [(909 - 678) / 678] x 100
Subtract the new number by the original number
909 - 678 = 231
231 ÷ 678 = 0.3407079646017699
0.3407079646017699 x 100 = 34.07%