540.38% is the change from 156 to 999
Calculation steps:
[( 999 - 156 ) ÷ 156] x 100 = 540.38%
Formula
Percentage change = [(999 - 156) / 156] x 100
Subtract the new number by the original number
999 - 156 = 843
843 ÷ 156 = 5.403846153846154
5.403846153846154 x 100 = 540.38%