-63.81% is the change from 945 to 342
Calculation steps:
[( 342 - 945 ) ÷ 945] x 100 = -63.81%
Formula
Percentage change = [(342 - 945) / 945] x 100
Subtract the new number by the original number
342 - 945 = -603
-603 ÷ 945 = -0.638095238095238
-0.638095238095238 x 100 = -63.81%