145.59% is the change from 397 to 975
Calculation steps:
[( 975 - 397 ) ÷ 397] x 100 = 145.59%
Formula
Percentage change = [(975 - 397) / 397] x 100
Subtract the new number by the original number
975 - 397 = 578
578 ÷ 397 = 1.455919395465995
1.455919395465995 x 100 = 145.59%