-91.9% is the change from 790 to 64
Calculation steps:
[( 64 - 790 ) ÷ 790] x 100 = -91.9%
Formula
Percentage change = [(64 - 790) / 790] x 100
Subtract the new number by the original number
64 - 790 = -726
-726 ÷ 790 = -0.9189873417721519
-0.9189873417721519 x 100 = -91.9%