137.38% is the change from 214 to 508
Calculation steps:
[( 508 - 214 ) ÷ 214] x 100 = 137.38%
Formula
Percentage change = [(508 - 214) / 214] x 100
Subtract the new number by the original number
508 - 214 = 294
294 ÷ 214 = 1.3738317757009346
1.3738317757009346 x 100 = 137.38%