384.95% is the change from 206 to 999
Calculation steps:
[( 999 - 206 ) ÷ 206] x 100 = 384.95%
Formula
Percentage change = [(999 - 206) / 206] x 100
Subtract the new number by the original number
999 - 206 = 793
793 ÷ 206 = 3.849514563106796
3.849514563106796 x 100 = 384.95%