53.76% is the change from 266 to 409
Calculation steps:
[( 409 - 266 ) ÷ 266] x 100 = 53.76%
Formula
Percentage change = [(409 - 266) / 266] x 100
Subtract the new number by the original number
409 - 266 = 143
143 ÷ 266 = 0.5375939849624061
0.5375939849624061 x 100 = 53.76%