-55.5% is the change from 946 to 421
Calculation steps:
[( 421 - 946 ) ÷ 946] x 100 = -55.5%
Formula
Percentage change = [(421 - 946) / 946] x 100
Subtract the new number by the original number
421 - 946 = -525
-525 ÷ 946 = -0.554968287526427
-0.554968287526427 x 100 = -55.5%