-68.09% is the change from 470 to 150
Calculation steps:
[( 150 - 470 ) ÷ 470] x 100 = -68.09%
Formula
Percentage change = [(150 - 470) / 470] x 100
Subtract the new number by the original number
150 - 470 = -320
-320 ÷ 470 = -0.6808510638297872
-0.6808510638297872 x 100 = -68.09%