-72.39% is the change from 670 to 185
Calculation steps:
[( 185 - 670 ) ÷ 670] x 100 = -72.39%
Formula
Percentage change = [(185 - 670) / 670] x 100
Subtract the new number by the original number
185 - 670 = -485
-485 ÷ 670 = -0.7238805970149254
-0.7238805970149254 x 100 = -72.39%