43.23% is the change from 266 to 381
Calculation steps:
[( 381 - 266 ) ÷ 266] x 100 = 43.23%
Formula
Percentage change = [(381 - 266) / 266] x 100
Subtract the new number by the original number
381 - 266 = 115
115 ÷ 266 = 0.4323308270676692
0.4323308270676692 x 100 = 43.23%