346.07% is the change from 89 to 397
Calculation steps:
[( 397 - 89 ) ÷ 89] x 100 = 346.07%
Formula
Percentage change = [(397 - 89) / 89] x 100
Subtract the new number by the original number
397 - 89 = 308
308 ÷ 89 = 3.460674157303371
3.460674157303371 x 100 = 346.07%