145.78% is the change from 391 to 961
Calculation steps:
[( 961 - 391 ) ÷ 391] x 100 = 145.78%
Formula
Percentage change = [(961 - 391) / 391] x 100
Subtract the new number by the original number
961 - 391 = 570
570 ÷ 391 = 1.4578005115089514
1.4578005115089514 x 100 = 145.78%