-65.72% is the change from 423 to 145
Calculation steps:
[( 145 - 423 ) ÷ 423] x 100 = -65.72%
Formula
Percentage change = [(145 - 423) / 423] x 100
Subtract the new number by the original number
145 - 423 = -278
-278 ÷ 423 = -0.6572104018912529
-0.6572104018912529 x 100 = -65.72%