139.25% is the change from 214 to 512
Calculation steps:
[( 512 - 214 ) ÷ 214] x 100 = 139.25%
Formula
Percentage change = [(512 - 214) / 214] x 100
Subtract the new number by the original number
512 - 214 = 298
298 ÷ 214 = 1.3925233644859814
1.3925233644859814 x 100 = 139.25%