-65.41% is the change from 185 to 64
Calculation steps:
[( 64 - 185 ) ÷ 185] x 100 = -65.41%
Formula
Percentage change = [(64 - 185) / 185] x 100
Subtract the new number by the original number
64 - 185 = -121
-121 ÷ 185 = -0.654054054054054
-0.654054054054054 x 100 = -65.41%