92.7% is the change from 507 to 977
Calculation steps:
[( 977 - 507 ) ÷ 507] x 100 = 92.7%
Formula
Percentage change = [(977 - 507) / 507] x 100
Subtract the new number by the original number
977 - 507 = 470
470 ÷ 507 = 0.9270216962524654
0.9270216962524654 x 100 = 92.7%