292.42% is the change from 66 to 259
Calculation steps:
[( 259 - 66 ) ÷ 66] x 100 = 292.42%
Formula
Percentage change = [(259 - 66) / 66] x 100
Subtract the new number by the original number
259 - 66 = 193
193 ÷ 66 = 2.9242424242424243
2.9242424242424243 x 100 = 292.42%