-78.42% is the change from 556 to 120
Calculation steps:
[( 120 - 556 ) ÷ 556] x 100 = -78.42%
Formula
Percentage change = [(120 - 556) / 556] x 100
Subtract the new number by the original number
120 - 556 = -436
-436 ÷ 556 = -0.7841726618705036
-0.7841726618705036 x 100 = -78.42%