-97.18% is the change from 746 to 21
Calculation steps:
[( 21 - 746 ) ÷ 746] x 100 = -97.18%
Formula
Percentage change = [(21 - 746) / 746] x 100
Subtract the new number by the original number
21 - 746 = -725
-725 ÷ 746 = -0.9718498659517426
-0.9718498659517426 x 100 = -97.18%