-70.32% is the change from 556 to 165
Calculation steps:
[( 165 - 556 ) ÷ 556] x 100 = -70.32%
Formula
Percentage change = [(165 - 556) / 556] x 100
Subtract the new number by the original number
165 - 556 = -391
-391 ÷ 556 = -0.7032374100719424
-0.7032374100719424 x 100 = -70.32%