252.3% is the change from 283 to 997
Calculation steps:
[( 997 - 283 ) ÷ 283] x 100 = 252.3%
Formula
Percentage change = [(997 - 283) / 283] x 100
Subtract the new number by the original number
997 - 283 = 714
714 ÷ 283 = 2.522968197879859
2.522968197879859 x 100 = 252.3%