145.09% is the change from 397 to 973
Calculation steps:
[( 973 - 397 ) ÷ 397] x 100 = 145.09%
Formula
Percentage change = [(973 - 397) / 397] x 100
Subtract the new number by the original number
973 - 397 = 576
576 ÷ 397 = 1.45088161209068
1.45088161209068 x 100 = 145.09%