-78.5% is the change from 428 to 92
Calculation steps:
[( 92 - 428 ) ÷ 428] x 100 = -78.5%
Formula
Percentage change = [(92 - 428) / 428] x 100
Subtract the new number by the original number
92 - 428 = -336
-336 ÷ 428 = -0.7850467289719626
-0.7850467289719626 x 100 = -78.5%