-77.14% is the change from 70 to 16
Calculation steps:
[( 16 - 70 ) ÷ 70] x 100 = -77.14%
Formula
Percentage change = [(16 - 70) / 70] x 100
Subtract the new number by the original number
16 - 70 = -54
-54 ÷ 70 = -0.7714285714285715
-0.7714285714285715 x 100 = -77.14%