-74.14% is the change from 58 to 15
Calculation steps:
[( 15 - 58 ) ÷ 58] x 100 = -74.14%
Formula
Percentage change = [(15 - 58) / 58] x 100
Subtract the new number by the original number
15 - 58 = -43
-43 ÷ 58 = -0.7413793103448276
-0.7413793103448276 x 100 = -74.14%