-81.06% is the change from 903 to 171
Calculation steps:
[( 171 - 903 ) ÷ 903] x 100 = -81.06%
Formula
Percentage change = [(171 - 903) / 903] x 100
Subtract the new number by the original number
171 - 903 = -732
-732 ÷ 903 = -0.8106312292358804
-0.8106312292358804 x 100 = -81.06%