-63.75% is the change from 938 to 340
Calculation steps:
[( 340 - 938 ) ÷ 938] x 100 = -63.75%
Formula
Percentage change = [(340 - 938) / 938] x 100
Subtract the new number by the original number
340 - 938 = -598
-598 ÷ 938 = -0.6375266524520256
-0.6375266524520256 x 100 = -63.75%