-56.33% is the change from 980 to 428
Calculation steps:
[( 428 - 980 ) ÷ 980] x 100 = -56.33%
Formula
Percentage change = [(428 - 980) / 980] x 100
Subtract the new number by the original number
428 - 980 = -552
-552 ÷ 980 = -0.563265306122449
-0.563265306122449 x 100 = -56.33%