-61.98% is the change from 676 to 257
Calculation steps:
[( 257 - 676 ) ÷ 676] x 100 = -61.98%
Formula
Percentage change = [(257 - 676) / 676] x 100
Subtract the new number by the original number
257 - 676 = -419
-419 ÷ 676 = -0.6198224852071006
-0.6198224852071006 x 100 = -61.98%