-76.5% is the change from 434 to 102
Calculation steps:
[( 102 - 434 ) ÷ 434] x 100 = -76.5%
Formula
Percentage change = [(102 - 434) / 434] x 100
Subtract the new number by the original number
102 - 434 = -332
-332 ÷ 434 = -0.7649769585253456
-0.7649769585253456 x 100 = -76.5%