129.91% is the change from 428 to 984
Calculation steps:
[( 984 - 428 ) ÷ 428] x 100 = 129.91%
Formula
Percentage change = [(984 - 428) / 428] x 100
Subtract the new number by the original number
984 - 428 = 556
556 ÷ 428 = 1.2990654205607477
1.2990654205607477 x 100 = 129.91%