27.86% is the change from 420 to 537
Calculation steps:
[( 537 - 420 ) ÷ 420] x 100 = 27.86%
Formula
Percentage change = [(537 - 420) / 420] x 100
Subtract the new number by the original number
537 - 420 = 117
117 ÷ 420 = 0.2785714285714286
0.2785714285714286 x 100 = 27.86%