-69.6% is the change from 477 to 145
Calculation steps:
[( 145 - 477 ) ÷ 477] x 100 = -69.6%
Formula
Percentage change = [(145 - 477) / 477] x 100
Subtract the new number by the original number
145 - 477 = -332
-332 ÷ 477 = -0.6960167714884696
-0.6960167714884696 x 100 = -69.6%