-77.78% is the change from 153 to 34
Calculation steps:
[( 34 - 153 ) ÷ 153] x 100 = -77.78%
Formula
Percentage change = [(34 - 153) / 153] x 100
Subtract the new number by the original number
34 - 153 = -119
-119 ÷ 153 = -0.7777777777777778
-0.7777777777777778 x 100 = -77.78%