-76.4% is the change from 428 to 101
Calculation steps:
[( 101 - 428 ) ÷ 428] x 100 = -76.4%
Formula
Percentage change = [(101 - 428) / 428] x 100
Subtract the new number by the original number
101 - 428 = -327
-327 ÷ 428 = -0.764018691588785
-0.764018691588785 x 100 = -76.4%