-29.22% is the change from 421 to 298
Calculation steps:
[( 298 - 421 ) ÷ 421] x 100 = -29.22%
Formula
Percentage change = [(298 - 421) / 421] x 100
Subtract the new number by the original number
298 - 421 = -123
-123 ÷ 421 = -0.2921615201900237
-0.2921615201900237 x 100 = -29.22%