145.48% is the change from 398 to 977
Calculation steps:
[( 977 - 398 ) ÷ 398] x 100 = 145.48%
Formula
Percentage change = [(977 - 398) / 398] x 100
Subtract the new number by the original number
977 - 398 = 579
579 ÷ 398 = 1.4547738693467336
1.4547738693467336 x 100 = 145.48%