68.8% is the change from 516 to 871
Calculation steps:
[( 871 - 516 ) ÷ 516] x 100 = 68.8%
Formula
Percentage change = [(871 - 516) / 516] x 100
Subtract the new number by the original number
871 - 516 = 355
355 ÷ 516 = 0.687984496124031
0.687984496124031 x 100 = 68.8%