63.12% is the change from 507 to 827
Calculation steps:
[( 827 - 507 ) ÷ 507] x 100 = 63.12%
Formula
Percentage change = [(827 - 507) / 507] x 100
Subtract the new number by the original number
827 - 507 = 320
320 ÷ 507 = 0.631163708086785
0.631163708086785 x 100 = 63.12%