-69.96% is the change from 902 to 271
Calculation steps:
[( 271 - 902 ) ÷ 902] x 100 = -69.96%
Formula
Percentage change = [(271 - 902) / 902] x 100
Subtract the new number by the original number
271 - 902 = -631
-631 ÷ 902 = -0.6995565410199557
-0.6995565410199557 x 100 = -69.96%