150.9% is the change from 391 to 981
Calculation steps:
[( 981 - 391 ) ÷ 391] x 100 = 150.9%
Formula
Percentage change = [(981 - 391) / 391] x 100
Subtract the new number by the original number
981 - 391 = 590
590 ÷ 391 = 1.5089514066496164
1.5089514066496164 x 100 = 150.9%