30.96% is the change from 394 to 516
Calculation steps:
[( 516 - 394 ) ÷ 394] x 100 = 30.96%
Formula
Percentage change = [(516 - 394) / 394] x 100
Subtract the new number by the original number
516 - 394 = 122
122 ÷ 394 = 0.3096446700507614
0.3096446700507614 x 100 = 30.96%