-89.95% is the change from 428 to 43
Calculation steps:
[( 43 - 428 ) ÷ 428] x 100 = -89.95%
Formula
Percentage change = [(43 - 428) / 428] x 100
Subtract the new number by the original number
43 - 428 = -385
-385 ÷ 428 = -0.8995327102803738
-0.8995327102803738 x 100 = -89.95%