34.26% is the change from 505 to 678
Calculation steps:
[( 678 - 505 ) ÷ 505] x 100 = 34.26%
Formula
Percentage change = [(678 - 505) / 505] x 100
Subtract the new number by the original number
678 - 505 = 173
173 ÷ 505 = 0.3425742574257426
0.3425742574257426 x 100 = 34.26%