315.46% is the change from 97 to 403
Calculation steps:
[( 403 - 97 ) ÷ 97] x 100 = 315.46%
Formula
Percentage change = [(403 - 97) / 97] x 100
Subtract the new number by the original number
403 - 97 = 306
306 ÷ 97 = 3.154639175257732
3.154639175257732 x 100 = 315.46%