-82.8% is the change from 93 to 16
Calculation steps:
[( 16 - 93 ) ÷ 93] x 100 = -82.8%
Formula
Percentage change = [(16 - 93) / 93] x 100
Subtract the new number by the original number
16 - 93 = -77
-77 ÷ 93 = -0.8279569892473119
-0.8279569892473119 x 100 = -82.8%