-20.21% is the change from 193 to 154
Calculation steps:
[( 154 - 193 ) ÷ 193] x 100 = -20.21%
Formula
Percentage change = [(154 - 193) / 193] x 100
Subtract the new number by the original number
154 - 193 = -39
-39 ÷ 193 = -0.20207253886010362
-0.20207253886010362 x 100 = -20.21%