139.55% is the change from 397 to 951
Calculation steps:
[( 951 - 397 ) ÷ 397] x 100 = 139.55%
Formula
Percentage change = [(951 - 397) / 397] x 100
Subtract the new number by the original number
951 - 397 = 554
554 ÷ 397 = 1.3954659949622166
1.3954659949622166 x 100 = 139.55%