-91.71% is the change from 193 to 16
Calculation steps:
[( 16 - 193 ) ÷ 193] x 100 = -91.71%
Formula
Percentage change = [(16 - 193) / 193] x 100
Subtract the new number by the original number
16 - 193 = -177
-177 ÷ 193 = -0.917098445595855
-0.917098445595855 x 100 = -91.71%