76.92% is the change from 507 to 897
Calculation steps:
[( 897 - 507 ) ÷ 507] x 100 = 76.92%
Formula
Percentage change = [(897 - 507) / 507] x 100
Subtract the new number by the original number
897 - 507 = 390
390 ÷ 507 = 0.7692307692307693
0.7692307692307693 x 100 = 76.92%