-93.18% is the change from 938 to 64
Calculation steps:
[( 64 - 938 ) ÷ 938] x 100 = -93.18%
Formula
Percentage change = [(64 - 938) / 938] x 100
Subtract the new number by the original number
64 - 938 = -874
-874 ÷ 938 = -0.9317697228144989
-0.9317697228144989 x 100 = -93.18%