314.43% is the change from 97 to 402
Calculation steps:
[( 402 - 97 ) ÷ 97] x 100 = 314.43%
Formula
Percentage change = [(402 - 97) / 97] x 100
Subtract the new number by the original number
402 - 97 = 305
305 ÷ 97 = 3.1443298969072164
3.1443298969072164 x 100 = 314.43%