45.83% is the change from 288 to 420
Calculation steps:
[( 420 - 288 ) ÷ 288] x 100 = 45.83%
Formula
Percentage change = [(420 - 288) / 288] x 100
Subtract the new number by the original number
420 - 288 = 132
132 ÷ 288 = 0.4583333333333333
0.4583333333333333 x 100 = 45.83%