-36.6% is the change from 153 to 97
Calculation steps:
[( 97 - 153 ) ÷ 153] x 100 = -36.6%
Formula
Percentage change = [(97 - 153) / 153] x 100
Subtract the new number by the original number
97 - 153 = -56
-56 ÷ 153 = -0.3660130718954248
-0.3660130718954248 x 100 = -36.6%