80.51% is the change from 508 to 917
Calculation steps:
[( 917 - 508 ) ÷ 508] x 100 = 80.51%
Formula
Percentage change = [(917 - 508) / 508] x 100
Subtract the new number by the original number
917 - 508 = 409
409 ÷ 508 = 0.8051181102362205
0.8051181102362205 x 100 = 80.51%