-41.43% is the change from 420 to 246
Calculation steps:
[( 246 - 420 ) ÷ 420] x 100 = -41.43%
Formula
Percentage change = [(246 - 420) / 420] x 100
Subtract the new number by the original number
246 - 420 = -174
-174 ÷ 420 = -0.4142857142857143
-0.4142857142857143 x 100 = -41.43%