149.1% is the change from 391 to 974
Calculation steps:
[( 974 - 391 ) ÷ 391] x 100 = 149.1%
Formula
Percentage change = [(974 - 391) / 391] x 100
Subtract the new number by the original number
974 - 391 = 583
583 ÷ 391 = 1.4910485933503836
1.4910485933503836 x 100 = 149.1%