139.07% is the change from 215 to 514
Calculation steps:
[( 514 - 215 ) ÷ 215] x 100 = 139.07%
Formula
Percentage change = [(514 - 215) / 215] x 100
Subtract the new number by the original number
514 - 215 = 299
299 ÷ 215 = 1.3906976744186046
1.3906976744186046 x 100 = 139.07%