-42.98% is the change from 947 to 540
Calculation steps:
[( 540 - 947 ) ÷ 947] x 100 = -42.98%
Formula
Percentage change = [(540 - 947) / 947] x 100
Subtract the new number by the original number
540 - 947 = -407
-407 ÷ 947 = -0.4297782470960929
-0.4297782470960929 x 100 = -42.98%