-96.73% is the change from 428 to 14
Calculation steps:
[( 14 - 428 ) ÷ 428] x 100 = -96.73%
Formula
Percentage change = [(14 - 428) / 428] x 100
Subtract the new number by the original number
14 - 428 = -414
-414 ÷ 428 = -0.9672897196261683
-0.9672897196261683 x 100 = -96.73%