-80.06% is the change from 351 to 70
Calculation steps:
[( 70 - 351 ) ÷ 351] x 100 = -80.06%
Formula
Percentage change = [(70 - 351) / 351] x 100
Subtract the new number by the original number
70 - 351 = -281
-281 ÷ 351 = -0.8005698005698005
-0.8005698005698005 x 100 = -80.06%