1946.15% is the change from 13 to 266
Calculation steps:
[( 266 - 13 ) ÷ 13] x 100 = 1946.15%
Formula
Percentage change = [(266 - 13) / 13] x 100
Subtract the new number by the original number
266 - 13 = 253
253 ÷ 13 = 19.46153846153846
19.46153846153846 x 100 = 1946.15%