-79.29% is the change from 338 to 70
Calculation steps:
[( 70 - 338 ) ÷ 338] x 100 = -79.29%
Formula
Percentage change = [(70 - 338) / 338] x 100
Subtract the new number by the original number
70 - 338 = -268
-268 ÷ 338 = -0.7928994082840237
-0.7928994082840237 x 100 = -79.29%