-62.5% is the change from 192 to 72
Calculation steps:
[( 72 - 192 ) ÷ 192] x 100 = -62.5%
Formula
Percentage change = [(72 - 192) / 192] x 100
Subtract the new number by the original number
72 - 192 = -120
-120 ÷ 192 = -0.625
-0.625 x 100 = -62.5%
Example