25700% is the change from 2 to 516
Calculation steps:
[( 516 - 2 ) ÷ 2] x 100 = 25700%
Formula
Percentage change = [(516 - 2) / 2] x 100
Subtract the new number by the original number
516 - 2 = 514
514 ÷ 2 = 257
257 x 100 = 25700%
Example