68.47% is the change from 517 to 871
Calculation steps:
[( 871 - 517 ) ÷ 517] x 100 = 68.47%
Formula
Percentage change = [(871 - 517) / 517] x 100
Subtract the new number by the original number
871 - 517 = 354
354 ÷ 517 = 0.6847195357833655
0.6847195357833655 x 100 = 68.47%