74.32% is the change from 292 to 509
Calculation steps:
[( 509 - 292 ) ÷ 292] x 100 = 74.32%
Formula
Percentage change = [(509 - 292) / 292] x 100
Subtract the new number by the original number
509 - 292 = 217
217 ÷ 292 = 0.7431506849315068
0.7431506849315068 x 100 = 74.32%