77.32% is the change from 507 to 899
Calculation steps:
[( 899 - 507 ) ÷ 507] x 100 = 77.32%
Formula
Percentage change = [(899 - 507) / 507] x 100
Subtract the new number by the original number
899 - 507 = 392
392 ÷ 507 = 0.7731755424063116
0.7731755424063116 x 100 = 77.32%