-63.27% is the change from 931 to 342
Calculation steps:
[( 342 - 931 ) ÷ 931] x 100 = -63.27%
Formula
Percentage change = [(342 - 931) / 931] x 100
Subtract the new number by the original number
342 - 931 = -589
-589 ÷ 931 = -0.6326530612244898
-0.6326530612244898 x 100 = -63.27%