-88.26% is the change from 545 to 64
Calculation steps:
[( 64 - 545 ) ÷ 545] x 100 = -88.26%
Formula
Percentage change = [(64 - 545) / 545] x 100
Subtract the new number by the original number
64 - 545 = -481
-481 ÷ 545 = -0.8825688073394495
-0.8825688073394495 x 100 = -88.26%