-79.89% is the change from 348 to 70
Calculation steps:
[( 70 - 348 ) ÷ 348] x 100 = -79.89%
Formula
Percentage change = [(70 - 348) / 348] x 100
Subtract the new number by the original number
70 - 348 = -278
-278 ÷ 348 = -0.7988505747126436
-0.7988505747126436 x 100 = -79.89%