34.96% is the change from 678 to 915
Calculation steps:
[( 915 - 678 ) ÷ 678] x 100 = 34.96%
Formula
Percentage change = [(915 - 678) / 678] x 100
Subtract the new number by the original number
915 - 678 = 237
237 ÷ 678 = 0.3495575221238938
0.3495575221238938 x 100 = 34.96%