-47.94% is the change from 947 to 493
Calculation steps:
[( 493 - 947 ) ÷ 947] x 100 = -47.94%
Formula
Percentage change = [(493 - 947) / 947] x 100
Subtract the new number by the original number
493 - 947 = -454
-454 ÷ 947 = -0.47940865892291445
-0.47940865892291445 x 100 = -47.94%