54.66% is the change from 397 to 614
Calculation steps:
[( 614 - 397 ) ÷ 397] x 100 = 54.66%
Formula
Percentage change = [(614 - 397) / 397] x 100
Subtract the new number by the original number
614 - 397 = 217
217 ÷ 397 = 0.5465994962216625
0.5465994962216625 x 100 = 54.66%