-94.9% is the change from 921 to 47
Calculation steps:
[( 47 - 921 ) ÷ 921] x 100 = -94.9%
Formula
Percentage change = [(47 - 921) / 921] x 100
Subtract the new number by the original number
47 - 921 = -874
-874 ÷ 921 = -0.9489685124864278
-0.9489685124864278 x 100 = -94.9%