-32.01% is the change from 428 to 291
Calculation steps:
[( 291 - 428 ) ÷ 428] x 100 = -32.01%
Formula
Percentage change = [(291 - 428) / 428] x 100
Subtract the new number by the original number
291 - 428 = -137
-137 ÷ 428 = -0.32009345794392524
-0.32009345794392524 x 100 = -32.01%