1338.46% is the change from 13 to 187
Calculation steps:
[( 187 - 13 ) ÷ 13] x 100 = 1338.46%
Formula
Percentage change = [(187 - 13) / 13] x 100
Subtract the new number by the original number
187 - 13 = 174
174 ÷ 13 = 13.384615384615385
13.384615384615385 x 100 = 1338.46%