-69.57% is the change from 470 to 143
Calculation steps:
[( 143 - 470 ) ÷ 470] x 100 = -69.57%
Formula
Percentage change = [(143 - 470) / 470] x 100
Subtract the new number by the original number
143 - 470 = -327
-327 ÷ 470 = -0.6957446808510638
-0.6957446808510638 x 100 = -69.57%