284.5% is the change from 258 to 992
Calculation steps:
[( 992 - 258 ) ÷ 258] x 100 = 284.5%
Formula
Percentage change = [(992 - 258) / 258] x 100
Subtract the new number by the original number
992 - 258 = 734
734 ÷ 258 = 2.8449612403100777
2.8449612403100777 x 100 = 284.5%