-70.21% is the change from 470 to 140
Calculation steps:
[( 140 - 470 ) ÷ 470] x 100 = -70.21%
Formula
Percentage change = [(140 - 470) / 470] x 100
Subtract the new number by the original number
140 - 470 = -330
-330 ÷ 470 = -0.7021276595744681
-0.7021276595744681 x 100 = -70.21%