-83.18% is the change from 428 to 72
Calculation steps:
[( 72 - 428 ) ÷ 428] x 100 = -83.18%
Formula
Percentage change = [(72 - 428) / 428] x 100
Subtract the new number by the original number
72 - 428 = -356
-356 ÷ 428 = -0.8317757009345794
-0.8317757009345794 x 100 = -83.18%