-52.27% is the change from 440 to 210
Calculation steps:
[( 210 - 440 ) ÷ 440] x 100 = -52.27%
Formula
Percentage change = [(210 - 440) / 440] x 100
Subtract the new number by the original number
210 - 440 = -230
-230 ÷ 440 = -0.5227272727272727
-0.5227272727272727 x 100 = -52.27%