528.3% is the change from 159 to 999
Calculation steps:
[( 999 - 159 ) ÷ 159] x 100 = 528.3%
Formula
Percentage change = [(999 - 159) / 159] x 100
Subtract the new number by the original number
999 - 159 = 840
840 ÷ 159 = 5.283018867924528
5.283018867924528 x 100 = 528.3%