-58.03% is the change from 193 to 81
Calculation steps:
[( 81 - 193 ) ÷ 193] x 100 = -58.03%
Formula
Percentage change = [(81 - 193) / 193] x 100
Subtract the new number by the original number
81 - 193 = -112
-112 ÷ 193 = -0.5803108808290155
-0.5803108808290155 x 100 = -58.03%