437.5% is the change from 16 to 86
Calculation steps:
[( 86 - 16 ) ÷ 16] x 100 = 437.5%
Formula
Percentage change = [(86 - 16) / 16] x 100
Subtract the new number by the original number
86 - 16 = 70
70 ÷ 16 = 4.375
4.375 x 100 = 437.5%
Example