-51.17% is the change from 901 to 440
Calculation steps:
[( 440 - 901 ) ÷ 901] x 100 = -51.17%
Formula
Percentage change = [(440 - 901) / 901] x 100
Subtract the new number by the original number
440 - 901 = -461
-461 ÷ 901 = -0.51165371809101
-0.51165371809101 x 100 = -51.17%