-57.32% is the change from 164 to 70
Calculation steps:
[( 70 - 164 ) ÷ 164] x 100 = -57.32%
Formula
Percentage change = [(70 - 164) / 164] x 100
Subtract the new number by the original number
70 - 164 = -94
-94 ÷ 164 = -0.573170731707317
-0.573170731707317 x 100 = -57.32%