-69.15% is the change from 470 to 145
Calculation steps:
[( 145 - 470 ) ÷ 470] x 100 = -69.15%
Formula
Percentage change = [(145 - 470) / 470] x 100
Subtract the new number by the original number
145 - 470 = -325
-325 ÷ 470 = -0.6914893617021277
-0.6914893617021277 x 100 = -69.15%