83.04% is the change from 513 to 939
Calculation steps:
[( 939 - 513 ) ÷ 513] x 100 = 83.04%
Formula
Percentage change = [(939 - 513) / 513] x 100
Subtract the new number by the original number
939 - 513 = 426
426 ÷ 513 = 0.8304093567251462
0.8304093567251462 x 100 = 83.04%