-61.73% is the change from 878 to 336
Calculation steps:
[( 336 - 878 ) ÷ 878] x 100 = -61.73%
Formula
Percentage change = [(336 - 878) / 878] x 100
Subtract the new number by the original number
336 - 878 = -542
-542 ÷ 878 = -0.6173120728929385
-0.6173120728929385 x 100 = -61.73%