214.43% is the change from 97 to 305
Calculation steps:
[( 305 - 97 ) ÷ 97] x 100 = 214.43%
Formula
Percentage change = [(305 - 97) / 97] x 100
Subtract the new number by the original number
305 - 97 = 208
208 ÷ 97 = 2.1443298969072164
2.1443298969072164 x 100 = 214.43%