603.52% is the change from 142 to 999
Calculation steps:
[( 999 - 142 ) ÷ 142] x 100 = 603.52%
Formula
Percentage change = [(999 - 142) / 142] x 100
Subtract the new number by the original number
999 - 142 = 857
857 ÷ 142 = 6.035211267605634
6.035211267605634 x 100 = 603.52%