285.51% is the change from 69 to 266
Calculation steps:
[( 266 - 69 ) ÷ 69] x 100 = 285.51%
Formula
Percentage change = [(266 - 69) / 69] x 100
Subtract the new number by the original number
266 - 69 = 197
197 ÷ 69 = 2.8550724637681157
2.8550724637681157 x 100 = 285.51%