92.73% is the change from 509 to 981
Calculation steps:
[( 981 - 509 ) ÷ 509] x 100 = 92.73%
Formula
Percentage change = [(981 - 509) / 509] x 100
Subtract the new number by the original number
981 - 509 = 472
472 ÷ 509 = 0.9273084479371316
0.9273084479371316 x 100 = 92.73%