285.99% is the change from 257 to 992
Calculation steps:
[( 992 - 257 ) ÷ 257] x 100 = 285.99%
Formula
Percentage change = [(992 - 257) / 257] x 100
Subtract the new number by the original number
992 - 257 = 735
735 ÷ 257 = 2.859922178988327
2.859922178988327 x 100 = 285.99%