-61.3% is the change from 876 to 339
Calculation steps:
[( 339 - 876 ) ÷ 876] x 100 = -61.3%
Formula
Percentage change = [(339 - 876) / 876] x 100
Subtract the new number by the original number
339 - 876 = -537
-537 ÷ 876 = -0.613013698630137
-0.613013698630137 x 100 = -61.3%