35.52% is the change from 397 to 538
Calculation steps:
[( 538 - 397 ) ÷ 397] x 100 = 35.52%
Formula
Percentage change = [(538 - 397) / 397] x 100
Subtract the new number by the original number
538 - 397 = 141
141 ÷ 397 = 0.35516372795969775
0.35516372795969775 x 100 = 35.52%