60.45% is the change from 397 to 637
Calculation steps:
[( 637 - 397 ) ÷ 397] x 100 = 60.45%
Formula
Percentage change = [(637 - 397) / 397] x 100
Subtract the new number by the original number
637 - 397 = 240
240 ÷ 397 = 0.6045340050377834
0.6045340050377834 x 100 = 60.45%