-22.93% is the change from 676 to 521
Calculation steps:
[( 521 - 676 ) ÷ 676] x 100 = -22.93%
Formula
Percentage change = [(521 - 676) / 676] x 100
Subtract the new number by the original number
521 - 676 = -155
-155 ÷ 676 = -0.22928994082840237
-0.22928994082840237 x 100 = -22.93%