34.12% is the change from 507 to 680
Calculation steps:
[( 680 - 507 ) ÷ 507] x 100 = 34.12%
Formula
Percentage change = [(680 - 507) / 507] x 100
Subtract the new number by the original number
680 - 507 = 173
173 ÷ 507 = 0.34122287968441817
0.34122287968441817 x 100 = 34.12%