-63.26% is the change from 939 to 345
Calculation steps:
[( 345 - 939 ) ÷ 939] x 100 = -63.26%
Formula
Percentage change = [(345 - 939) / 939] x 100
Subtract the new number by the original number
345 - 939 = -594
-594 ÷ 939 = -0.6325878594249201
-0.6325878594249201 x 100 = -63.26%