-54.6% is the change from 163 to 74
Calculation steps:
[( 74 - 163 ) ÷ 163] x 100 = -54.6%
Formula
Percentage change = [(74 - 163) / 163] x 100
Subtract the new number by the original number
74 - 163 = -89
-89 ÷ 163 = -0.5460122699386503
-0.5460122699386503 x 100 = -54.6%