261.4% is the change from 57 to 206
Calculation steps:
[( 206 - 57 ) ÷ 57] x 100 = 261.4%
Formula
Percentage change = [(206 - 57) / 57] x 100
Subtract the new number by the original number
206 - 57 = 149
149 ÷ 57 = 2.6140350877192984
2.6140350877192984 x 100 = 261.4%