-79.49% is the change from 434 to 89
Calculation steps:
[( 89 - 434 ) ÷ 434] x 100 = -79.49%
Formula
Percentage change = [(89 - 434) / 434] x 100
Subtract the new number by the original number
89 - 434 = -345
-345 ÷ 434 = -0.7949308755760369
-0.7949308755760369 x 100 = -79.49%