73.48% is the change from 509 to 883
Calculation steps:
[( 883 - 509 ) ÷ 509] x 100 = 73.48%
Formula
Percentage change = [(883 - 509) / 509] x 100
Subtract the new number by the original number
883 - 509 = 374
374 ÷ 509 = 0.7347740667976425
0.7347740667976425 x 100 = 73.48%