224.74% is the change from 97 to 315
Calculation steps:
[( 315 - 97 ) ÷ 97] x 100 = 224.74%
Formula
Percentage change = [(315 - 97) / 97] x 100
Subtract the new number by the original number
315 - 97 = 218
218 ÷ 97 = 2.247422680412371
2.247422680412371 x 100 = 224.74%