-63.4% is the change from 153 to 56
Calculation steps:
[( 56 - 153 ) ÷ 153] x 100 = -63.4%
Formula
Percentage change = [(56 - 153) / 153] x 100
Subtract the new number by the original number
56 - 153 = -97
-97 ÷ 153 = -0.6339869281045751
-0.6339869281045751 x 100 = -63.4%