72% is the change from 300 to 516
Calculation steps:
[( 516 - 300 ) ÷ 300] x 100 = 72%
Formula
Percentage change = [(516 - 300) / 300] x 100
Subtract the new number by the original number
516 - 300 = 216
216 ÷ 300 = 0.72
0.72 x 100 = 72%
Example