-25.71% is the change from 634 to 471
Calculation steps:
[( 471 - 634 ) ÷ 634] x 100 = -25.71%
Formula
Percentage change = [(471 - 634) / 634] x 100
Subtract the new number by the original number
471 - 634 = -163
-163 ÷ 634 = -0.25709779179810727
-0.25709779179810727 x 100 = -25.71%