-91.96% is the change from 199 to 16
Calculation steps:
[( 16 - 199 ) ÷ 199] x 100 = -91.96%
Formula
Percentage change = [(16 - 199) / 199] x 100
Subtract the new number by the original number
16 - 199 = -183
-183 ÷ 199 = -0.9195979899497487
-0.9195979899497487 x 100 = -91.96%