123.1% is the change from 420 to 937
Calculation steps:
[( 937 - 420 ) ÷ 420] x 100 = 123.1%
Formula
Percentage change = [(937 - 420) / 420] x 100
Subtract the new number by the original number
937 - 420 = 517
517 ÷ 420 = 1.230952380952381
1.230952380952381 x 100 = 123.1%