-29.62% is the change from 611 to 430
Calculation steps:
[( 430 - 611 ) ÷ 611] x 100 = -29.62%
Formula
Percentage change = [(430 - 611) / 611] x 100
Subtract the new number by the original number
430 - 611 = -181
-181 ÷ 611 = -0.29623567921440264
-0.29623567921440264 x 100 = -29.62%