29.07% is the change from 516 to 666
Calculation steps:
[( 666 - 516 ) ÷ 516] x 100 = 29.07%
Formula
Percentage change = [(666 - 516) / 516] x 100
Subtract the new number by the original number
666 - 516 = 150
150 ÷ 516 = 0.29069767441860467
0.29069767441860467 x 100 = 29.07%