-6.58% is the change from 471 to 440
Calculation steps:
[( 440 - 471 ) ÷ 471] x 100 = -6.58%
Formula
Percentage change = [(440 - 471) / 471] x 100
Subtract the new number by the original number
440 - 471 = -31
-31 ÷ 471 = -0.06581740976645435
-0.06581740976645435 x 100 = -6.58%