-25% is the change from 676 to 507
Calculation steps:
[( 507 - 676 ) ÷ 676] x 100 = -25%
Formula
Percentage change = [(507 - 676) / 676] x 100
Subtract the new number by the original number
507 - 676 = -169
-169 ÷ 676 = -0.25
-0.25 x 100 = -25%
Example