45.86% is the change from 266 to 388
Calculation steps:
[( 388 - 266 ) ÷ 266] x 100 = 45.86%
Formula
Percentage change = [(388 - 266) / 266] x 100
Subtract the new number by the original number
388 - 266 = 122
122 ÷ 266 = 0.45864661654135336
0.45864661654135336 x 100 = 45.86%