94.89% is the change from 509 to 992
Calculation steps:
[( 992 - 509 ) ÷ 509] x 100 = 94.89%
Formula
Percentage change = [(992 - 509) / 509] x 100
Subtract the new number by the original number
992 - 509 = 483
483 ÷ 509 = 0.9489194499017681
0.9489194499017681 x 100 = 94.89%