-70.82% is the change from 305 to 89
Calculation steps:
[( 89 - 305 ) ÷ 305] x 100 = -70.82%
Formula
Percentage change = [(89 - 305) / 305] x 100
Subtract the new number by the original number
89 - 305 = -216
-216 ÷ 305 = -0.7081967213114754
-0.7081967213114754 x 100 = -70.82%