-63.62% is the change from 470 to 171
Calculation steps:
[( 171 - 470 ) ÷ 470] x 100 = -63.62%
Formula
Percentage change = [(171 - 470) / 470] x 100
Subtract the new number by the original number
171 - 470 = -299
-299 ÷ 470 = -0.6361702127659574
-0.6361702127659574 x 100 = -63.62%