95.09% is the change from 509 to 993
Calculation steps:
[( 993 - 509 ) ÷ 509] x 100 = 95.09%
Formula
Percentage change = [(993 - 509) / 509] x 100
Subtract the new number by the original number
993 - 509 = 484
484 ÷ 509 = 0.9508840864440079
0.9508840864440079 x 100 = 95.09%