-70.09% is the change from 906 to 271
Calculation steps:
[( 271 - 906 ) ÷ 906] x 100 = -70.09%
Formula
Percentage change = [(271 - 906) / 906] x 100
Subtract the new number by the original number
271 - 906 = -635
-635 ÷ 906 = -0.7008830022075055
-0.7008830022075055 x 100 = -70.09%