-72.18% is the change from 665 to 185
Calculation steps:
[( 185 - 665 ) ÷ 665] x 100 = -72.18%
Formula
Percentage change = [(185 - 665) / 665] x 100
Subtract the new number by the original number
185 - 665 = -480
-480 ÷ 665 = -0.7218045112781954
-0.7218045112781954 x 100 = -72.18%