55.64% is the change from 266 to 414
Calculation steps:
[( 414 - 266 ) ÷ 266] x 100 = 55.64%
Formula
Percentage change = [(414 - 266) / 266] x 100
Subtract the new number by the original number
414 - 266 = 148
148 ÷ 266 = 0.556390977443609
0.556390977443609 x 100 = 55.64%