92.53% is the change from 509 to 980
Calculation steps:
[( 980 - 509 ) ÷ 509] x 100 = 92.53%
Formula
Percentage change = [(980 - 509) / 509] x 100
Subtract the new number by the original number
980 - 509 = 471
471 ÷ 509 = 0.925343811394892
0.925343811394892 x 100 = 92.53%