-72.19% is the change from 971 to 270
Calculation steps:
[( 270 - 971 ) ÷ 971] x 100 = -72.19%
Formula
Percentage change = [(270 - 971) / 971] x 100
Subtract the new number by the original number
270 - 971 = -701
-701 ÷ 971 = -0.721936148300721
-0.721936148300721 x 100 = -72.19%