281.32% is the change from 257 to 980
Calculation steps:
[( 980 - 257 ) ÷ 257] x 100 = 281.32%
Formula
Percentage change = [(980 - 257) / 257] x 100
Subtract the new number by the original number
980 - 257 = 723
723 ÷ 257 = 2.813229571984436
2.813229571984436 x 100 = 281.32%