-27.09% is the change from 694 to 506
Calculation steps:
[( 506 - 694 ) ÷ 694] x 100 = -27.09%
Formula
Percentage change = [(506 - 694) / 694] x 100
Subtract the new number by the original number
506 - 694 = -188
-188 ÷ 694 = -0.27089337175792505
-0.27089337175792505 x 100 = -27.09%