-74.17% is the change from 271 to 70
Calculation steps:
[( 70 - 271 ) ÷ 271] x 100 = -74.17%
Formula
Percentage change = [(70 - 271) / 271] x 100
Subtract the new number by the original number
70 - 271 = -201
-201 ÷ 271 = -0.7416974169741697
-0.7416974169741697 x 100 = -74.17%