156.3% is the change from 389 to 997
Calculation steps:
[( 997 - 389 ) ÷ 389] x 100 = 156.3%
Formula
Percentage change = [(997 - 389) / 389] x 100
Subtract the new number by the original number
997 - 389 = 608
608 ÷ 389 = 1.562982005141388
1.562982005141388 x 100 = 156.3%