-53.83% is the change from 470 to 217
Calculation steps:
[( 217 - 470 ) ÷ 470] x 100 = -53.83%
Formula
Percentage change = [(217 - 470) / 470] x 100
Subtract the new number by the original number
217 - 470 = -253
-253 ÷ 470 = -0.5382978723404256
-0.5382978723404256 x 100 = -53.83%