-63.1% is the change from 393 to 145
Calculation steps:
[( 145 - 393 ) ÷ 393] x 100 = -63.1%
Formula
Percentage change = [(145 - 393) / 393] x 100
Subtract the new number by the original number
145 - 393 = -248
-248 ÷ 393 = -0.6310432569974554
-0.6310432569974554 x 100 = -63.1%