-69% is the change from 600 to 186
Calculation steps:
[( 186 - 600 ) ÷ 600] x 100 = -69%
Formula
Percentage change = [(186 - 600) / 600] x 100
Subtract the new number by the original number
186 - 600 = -414
-414 ÷ 600 = -0.69
-0.69 x 100 = -69%
Example