-68.16% is the change from 201 to 64
Calculation steps:
[( 64 - 201 ) ÷ 201] x 100 = -68.16%
Formula
Percentage change = [(64 - 201) / 201] x 100
Subtract the new number by the original number
64 - 201 = -137
-137 ÷ 201 = -0.681592039800995
-0.681592039800995 x 100 = -68.16%