-82.24% is the change from 428 to 76
Calculation steps:
[( 76 - 428 ) ÷ 428] x 100 = -82.24%
Formula
Percentage change = [(76 - 428) / 428] x 100
Subtract the new number by the original number
76 - 428 = -352
-352 ÷ 428 = -0.822429906542056
-0.822429906542056 x 100 = -82.24%