146% is the change from 400 to 984
Calculation steps:
[( 984 - 400 ) ÷ 400] x 100 = 146%
Formula
Percentage change = [(984 - 400) / 400] x 100
Subtract the new number by the original number
984 - 400 = 584
584 ÷ 400 = 1.46
1.46 x 100 = 146%
Example