-80.17% is the change from 353 to 70
Calculation steps:
[( 70 - 353 ) ÷ 353] x 100 = -80.17%
Formula
Percentage change = [(70 - 353) / 353] x 100
Subtract the new number by the original number
70 - 353 = -283
-283 ÷ 353 = -0.8016997167138811
-0.8016997167138811 x 100 = -80.17%