123.03% is the change from 304 to 678
Calculation steps:
[( 678 - 304 ) ÷ 304] x 100 = 123.03%
Formula
Percentage change = [(678 - 304) / 304] x 100
Subtract the new number by the original number
678 - 304 = 374
374 ÷ 304 = 1.230263157894737
1.230263157894737 x 100 = 123.03%