-92.14% is the change from 814 to 64
Calculation steps:
[( 64 - 814 ) ÷ 814] x 100 = -92.14%
Formula
Percentage change = [(64 - 814) / 814] x 100
Subtract the new number by the original number
64 - 814 = -750
-750 ÷ 814 = -0.9213759213759214
-0.9213759213759214 x 100 = -92.14%