-41.57% is the change from 421 to 246
Calculation steps:
[( 246 - 421 ) ÷ 421] x 100 = -41.57%
Formula
Percentage change = [(246 - 421) / 421] x 100
Subtract the new number by the original number
246 - 421 = -175
-175 ÷ 421 = -0.4156769596199525
-0.4156769596199525 x 100 = -41.57%