59.17% is the change from 507 to 807
Calculation steps:
[( 807 - 507 ) ÷ 507] x 100 = 59.17%
Formula
Percentage change = [(807 - 507) / 507] x 100
Subtract the new number by the original number
807 - 507 = 300
300 ÷ 507 = 0.591715976331361
0.591715976331361 x 100 = 59.17%