-91.97% is the change from 797 to 64
Calculation steps:
[( 64 - 797 ) ÷ 797] x 100 = -91.97%
Formula
Percentage change = [(64 - 797) / 797] x 100
Subtract the new number by the original number
64 - 797 = -733
-733 ÷ 797 = -0.9196988707653702
-0.9196988707653702 x 100 = -91.97%