30.04% is the change from 516 to 671
Calculation steps:
[( 671 - 516 ) ÷ 516] x 100 = 30.04%
Formula
Percentage change = [(671 - 516) / 516] x 100
Subtract the new number by the original number
671 - 516 = 155
155 ÷ 516 = 0.3003875968992248
0.3003875968992248 x 100 = 30.04%