-94.76% is the change from 191 to 10
Calculation steps:
[( 10 - 191 ) ÷ 191] x 100 = -94.76%
Formula
Percentage change = [(10 - 191) / 191] x 100
Subtract the new number by the original number
10 - 191 = -181
-181 ÷ 191 = -0.9476439790575916
-0.9476439790575916 x 100 = -94.76%