2438.46% is the change from 39 to 990
Calculation steps:
[( 990 - 39 ) ÷ 39] x 100 = 2438.46%
Formula
Percentage change = [(990 - 39) / 39] x 100
Subtract the new number by the original number
990 - 39 = 951
951 ÷ 39 = 24.384615384615383
24.384615384615383 x 100 = 2438.46%