-1.41% is the change from 71 to 70
Calculation steps:
[( 70 - 71 ) ÷ 71] x 100 = -1.41%
Formula
Percentage change = [(70 - 71) / 71] x 100
Subtract the new number by the original number
70 - 71 = -1
-1 ÷ 71 = -0.014084507042253521
-0.014084507042253521 x 100 = -1.41%