-93.3% is the change from 194 to 13
Calculation steps:
[( 13 - 194 ) ÷ 194] x 100 = -93.3%
Formula
Percentage change = [(13 - 194) / 194] x 100
Subtract the new number by the original number
13 - 194 = -181
-181 ÷ 194 = -0.9329896907216495
-0.9329896907216495 x 100 = -93.3%