-63.69% is the change from 931 to 338
Calculation steps:
[( 338 - 931 ) ÷ 931] x 100 = -63.69%
Formula
Percentage change = [(338 - 931) / 931] x 100
Subtract the new number by the original number
338 - 931 = -593
-593 ÷ 931 = -0.6369495166487648
-0.6369495166487648 x 100 = -63.69%