-91.62% is the change from 191 to 16
Calculation steps:
[( 16 - 191 ) ÷ 191] x 100 = -91.62%
Formula
Percentage change = [(16 - 191) / 191] x 100
Subtract the new number by the original number
16 - 191 = -175
-175 ÷ 191 = -0.9162303664921466
-0.9162303664921466 x 100 = -91.62%