74.07% is the change from 509 to 886
Calculation steps:
[( 886 - 509 ) ÷ 509] x 100 = 74.07%
Formula
Percentage change = [(886 - 509) / 509] x 100
Subtract the new number by the original number
886 - 509 = 377
377 ÷ 509 = 0.7406679764243614
0.7406679764243614 x 100 = 74.07%