59.02% is the change from 266 to 423
Calculation steps:
[( 423 - 266 ) ÷ 266] x 100 = 59.02%
Formula
Percentage change = [(423 - 266) / 266] x 100
Subtract the new number by the original number
423 - 266 = 157
157 ÷ 266 = 0.5902255639097744
0.5902255639097744 x 100 = 59.02%