-86.53% is the change from 475 to 64
Calculation steps:
[( 64 - 475 ) ÷ 475] x 100 = -86.53%
Formula
Percentage change = [(64 - 475) / 475] x 100
Subtract the new number by the original number
64 - 475 = -411
-411 ÷ 475 = -0.8652631578947368
-0.8652631578947368 x 100 = -86.53%