1858.82% is the change from 51 to 999
Calculation steps:
[( 999 - 51 ) ÷ 51] x 100 = 1858.82%
Formula
Percentage change = [(999 - 51) / 51] x 100
Subtract the new number by the original number
999 - 51 = 948
948 ÷ 51 = 18.58823529411765
18.58823529411765 x 100 = 1858.82%