-61.4% is the change from 430 to 166
Calculation steps:
[( 166 - 430 ) ÷ 430] x 100 = -61.4%
Formula
Percentage change = [(166 - 430) / 430] x 100
Subtract the new number by the original number
166 - 430 = -264
-264 ÷ 430 = -0.6139534883720931
-0.6139534883720931 x 100 = -61.4%