-63.79% is the change from 58 to 21
Calculation steps:
[( 21 - 58 ) ÷ 58] x 100 = -63.79%
Formula
Percentage change = [(21 - 58) / 58] x 100
Subtract the new number by the original number
21 - 58 = -37
-37 ÷ 58 = -0.6379310344827587
-0.6379310344827587 x 100 = -63.79%