-77.7% is the change from 435 to 97
Calculation steps:
[( 97 - 435 ) ÷ 435] x 100 = -77.7%
Formula
Percentage change = [(97 - 435) / 435] x 100
Subtract the new number by the original number
97 - 435 = -338
-338 ÷ 435 = -0.7770114942528735
-0.7770114942528735 x 100 = -77.7%