-80.91% is the change from 906 to 173
Calculation steps:
[( 173 - 906 ) ÷ 906] x 100 = -80.91%
Formula
Percentage change = [(173 - 906) / 906] x 100
Subtract the new number by the original number
173 - 906 = -733
-733 ÷ 906 = -0.8090507726269316
-0.8090507726269316 x 100 = -80.91%