65.09% is the change from 507 to 837
Calculation steps:
[( 837 - 507 ) ÷ 507] x 100 = 65.09%
Formula
Percentage change = [(837 - 507) / 507] x 100
Subtract the new number by the original number
837 - 507 = 330
330 ÷ 507 = 0.650887573964497
0.650887573964497 x 100 = 65.09%