-51.31% is the change from 191 to 93
Calculation steps:
[( 93 - 191 ) ÷ 191] x 100 = -51.31%
Formula
Percentage change = [(93 - 191) / 191] x 100
Subtract the new number by the original number
93 - 191 = -98
-98 ÷ 191 = -0.5130890052356021
-0.5130890052356021 x 100 = -51.31%