392.59% is the change from 54 to 266
Calculation steps:
[( 266 - 54 ) ÷ 54] x 100 = 392.59%
Formula
Percentage change = [(266 - 54) / 54] x 100
Subtract the new number by the original number
266 - 54 = 212
212 ÷ 54 = 3.925925925925926
3.925925925925926 x 100 = 392.59%