34.51% is the change from 678 to 912
Calculation steps:
[( 912 - 678 ) ÷ 678] x 100 = 34.51%
Formula
Percentage change = [(912 - 678) / 678] x 100
Subtract the new number by the original number
912 - 678 = 234
234 ÷ 678 = 0.34513274336283184
0.34513274336283184 x 100 = 34.51%