74.07% is the change from 297 to 517
Calculation steps:
[( 517 - 297 ) ÷ 297] x 100 = 74.07%
Formula
Percentage change = [(517 - 297) / 297] x 100
Subtract the new number by the original number
517 - 297 = 220
220 ÷ 297 = 0.7407407407407407
0.7407407407407407 x 100 = 74.07%