-60% is the change from 685 to 274
Calculation steps:
[( 274 - 685 ) ÷ 685] x 100 = -60%
Formula
Percentage change = [(274 - 685) / 685] x 100
Subtract the new number by the original number
274 - 685 = -411
-411 ÷ 685 = -0.6
-0.6 x 100 = -60%
Example