-48.57% is the change from 947 to 487
Calculation steps:
[( 487 - 947 ) ÷ 947] x 100 = -48.57%
Formula
Percentage change = [(487 - 947) / 947] x 100
Subtract the new number by the original number
487 - 947 = -460
-460 ÷ 947 = -0.4857444561774023
-0.4857444561774023 x 100 = -48.57%