-48.57% is the change from 70 to 36
Calculation steps:
[( 36 - 70 ) ÷ 70] x 100 = -48.57%
Formula
Percentage change = [(36 - 70) / 70] x 100
Subtract the new number by the original number
36 - 70 = -34
-34 ÷ 70 = -0.4857142857142857
-0.4857142857142857 x 100 = -48.57%