-80.23% is the change from 349 to 69
Calculation steps:
[( 69 - 349 ) ÷ 349] x 100 = -80.23%
Formula
Percentage change = [(69 - 349) / 349] x 100
Subtract the new number by the original number
69 - 349 = -280
-280 ÷ 349 = -0.8022922636103151
-0.8022922636103151 x 100 = -80.23%