402.94% is the change from 102 to 513
Calculation steps:
[( 513 - 102 ) ÷ 102] x 100 = 402.94%
Formula
Percentage change = [(513 - 102) / 102] x 100
Subtract the new number by the original number
513 - 102 = 411
411 ÷ 102 = 4.029411764705882
4.029411764705882 x 100 = 402.94%