-72.02% is the change from 193 to 54
Calculation steps:
[( 54 - 193 ) ÷ 193] x 100 = -72.02%
Formula
Percentage change = [(54 - 193) / 193] x 100
Subtract the new number by the original number
54 - 193 = -139
-139 ÷ 193 = -0.7202072538860104
-0.7202072538860104 x 100 = -72.02%