28.1% is the change from 516 to 661
Calculation steps:
[( 661 - 516 ) ÷ 516] x 100 = 28.1%
Formula
Percentage change = [(661 - 516) / 516] x 100
Subtract the new number by the original number
661 - 516 = 145
145 ÷ 516 = 0.2810077519379845
0.2810077519379845 x 100 = 28.1%