-70.43% is the change from 115 to 34
Calculation steps:
[( 34 - 115 ) ÷ 115] x 100 = -70.43%
Formula
Percentage change = [(34 - 115) / 115] x 100
Subtract the new number by the original number
34 - 115 = -81
-81 ÷ 115 = -0.7043478260869566
-0.7043478260869566 x 100 = -70.43%