34.76% is the change from 420 to 566
Calculation steps:
[( 566 - 420 ) ÷ 420] x 100 = 34.76%
Formula
Percentage change = [(566 - 420) / 420] x 100
Subtract the new number by the original number
566 - 420 = 146
146 ÷ 420 = 0.3476190476190476
0.3476190476190476 x 100 = 34.76%