86.79% is the change from 53 to 99
Calculation steps:
[( 99 - 53 ) ÷ 53] x 100 = 86.79%
Formula
Percentage change = [(99 - 53) / 53] x 100
Subtract the new number by the original number
99 - 53 = 46
46 ÷ 53 = 0.8679245283018868
0.8679245283018868 x 100 = 86.79%