-77.65% is the change from 434 to 97
Calculation steps:
[( 97 - 434 ) ÷ 434] x 100 = -77.65%
Formula
Percentage change = [(97 - 434) / 434] x 100
Subtract the new number by the original number
97 - 434 = -337
-337 ÷ 434 = -0.7764976958525346
-0.7764976958525346 x 100 = -77.65%