-27.98% is the change from 193 to 139
Calculation steps:
[( 139 - 193 ) ÷ 193] x 100 = -27.98%
Formula
Percentage change = [(139 - 193) / 193] x 100
Subtract the new number by the original number
139 - 193 = -54
-54 ÷ 193 = -0.27979274611398963
-0.27979274611398963 x 100 = -27.98%