-84.14% is the change from 145 to 23
Calculation steps:
[( 23 - 145 ) ÷ 145] x 100 = -84.14%
Formula
Percentage change = [(23 - 145) / 145] x 100
Subtract the new number by the original number
23 - 145 = -122
-122 ÷ 145 = -0.8413793103448276
-0.8413793103448276 x 100 = -84.14%