34.12% is the change from 296 to 397
Calculation steps:
[( 397 - 296 ) ÷ 296] x 100 = 34.12%
Formula
Percentage change = [(397 - 296) / 296] x 100
Subtract the new number by the original number
397 - 296 = 101
101 ÷ 296 = 0.34121621621621623
0.34121621621621623 x 100 = 34.12%