-24.29% is the change from 70 to 53
Calculation steps:
[( 53 - 70 ) ÷ 70] x 100 = -24.29%
Formula
Percentage change = [(53 - 70) / 70] x 100
Subtract the new number by the original number
53 - 70 = -17
-17 ÷ 70 = -0.24285714285714285
-0.24285714285714285 x 100 = -24.29%