-33.68% is the change from 193 to 128
Calculation steps:
[( 128 - 193 ) ÷ 193] x 100 = -33.68%
Formula
Percentage change = [(128 - 193) / 193] x 100
Subtract the new number by the original number
128 - 193 = -65
-65 ÷ 193 = -0.33678756476683935
-0.33678756476683935 x 100 = -33.68%