-54.29% is the change from 676 to 309
Calculation steps:
[( 309 - 676 ) ÷ 676] x 100 = -54.29%
Formula
Percentage change = [(309 - 676) / 676] x 100
Subtract the new number by the original number
309 - 676 = -367
-367 ÷ 676 = -0.5428994082840237
-0.5428994082840237 x 100 = -54.29%