-74.5% is the change from 349 to 89
Calculation steps:
[( 89 - 349 ) ÷ 349] x 100 = -74.5%
Formula
Percentage change = [(89 - 349) / 349] x 100
Subtract the new number by the original number
89 - 349 = -260
-260 ÷ 349 = -0.7449856733524355
-0.7449856733524355 x 100 = -74.5%