49.12% is the change from 397 to 592
Calculation steps:
[( 592 - 397 ) ÷ 397] x 100 = 49.12%
Formula
Percentage change = [(592 - 397) / 397] x 100
Subtract the new number by the original number
592 - 397 = 195
195 ÷ 397 = 0.491183879093199
0.491183879093199 x 100 = 49.12%