-72.97% is the change from 259 to 70
Calculation steps:
[( 70 - 259 ) ÷ 259] x 100 = -72.97%
Formula
Percentage change = [(70 - 259) / 259] x 100
Subtract the new number by the original number
70 - 259 = -189
-189 ÷ 259 = -0.7297297297297297
-0.7297297297297297 x 100 = -72.97%