-11.92% is the change from 428 to 377
Calculation steps:
[( 377 - 428 ) ÷ 428] x 100 = -11.92%
Formula
Percentage change = [(377 - 428) / 428] x 100
Subtract the new number by the original number
377 - 428 = -51
-51 ÷ 428 = -0.1191588785046729
-0.1191588785046729 x 100 = -11.92%