-70.12% is the change from 907 to 271
Calculation steps:
[( 271 - 907 ) ÷ 907] x 100 = -70.12%
Formula
Percentage change = [(271 - 907) / 907] x 100
Subtract the new number by the original number
271 - 907 = -636
-636 ÷ 907 = -0.701212789415656
-0.701212789415656 x 100 = -70.12%