19.28% is the change from 83 to 99
Calculation steps:
[( 99 - 83 ) ÷ 83] x 100 = 19.28%
Formula
Percentage change = [(99 - 83) / 83] x 100
Subtract the new number by the original number
99 - 83 = 16
16 ÷ 83 = 0.1927710843373494
0.1927710843373494 x 100 = 19.28%