-70.31% is the change from 192 to 57
Calculation steps:
[( 57 - 192 ) ÷ 192] x 100 = -70.31%
Formula
Percentage change = [(57 - 192) / 192] x 100
Subtract the new number by the original number
57 - 192 = -135
-135 ÷ 192 = -0.703125
-0.703125 x 100 = -70.31%