57.45% is the change from 517 to 814
Calculation steps:
[( 814 - 517 ) ÷ 517] x 100 = 57.45%
Formula
Percentage change = [(814 - 517) / 517] x 100
Subtract the new number by the original number
814 - 517 = 297
297 ÷ 517 = 0.574468085106383
0.574468085106383 x 100 = 57.45%