300% is the change from 127 to 508
Calculation steps:
[( 508 - 127 ) ÷ 127] x 100 = 300%
Formula
Percentage change = [(508 - 127) / 127] x 100
Subtract the new number by the original number
508 - 127 = 381
381 ÷ 127 = 3
3 x 100 = 300%
Example