-63.83% is the change from 940 to 340
Calculation steps:
[( 340 - 940 ) ÷ 940] x 100 = -63.83%
Formula
Percentage change = [(340 - 940) / 940] x 100
Subtract the new number by the original number
340 - 940 = -600
-600 ÷ 940 = -0.6382978723404256
-0.6382978723404256 x 100 = -63.83%