4993.75% is the change from 16 to 815
Calculation steps:
[( 815 - 16 ) ÷ 16] x 100 = 4993.75%
Formula
Percentage change = [(815 - 16) / 16] x 100
Subtract the new number by the original number
815 - 16 = 799
799 ÷ 16 = 49.9375
49.9375 x 100 = 4993.75%