-63.89% is the change from 947 to 342
Calculation steps:
[( 342 - 947 ) ÷ 947] x 100 = -63.89%
Formula
Percentage change = [(342 - 947) / 947] x 100
Subtract the new number by the original number
342 - 947 = -605
-605 ÷ 947 = -0.6388595564941922
-0.6388595564941922 x 100 = -63.89%