53.5% is the change from 400 to 614
Calculation steps:
[( 614 - 400 ) ÷ 400] x 100 = 53.5%
Formula
Percentage change = [(614 - 400) / 400] x 100
Subtract the new number by the original number
614 - 400 = 214
214 ÷ 400 = 0.535
0.535 x 100 = 53.5%
Example