-77.9% is the change from 543 to 120
Calculation steps:
[( 120 - 543 ) ÷ 543] x 100 = -77.9%
Formula
Percentage change = [(120 - 543) / 543] x 100
Subtract the new number by the original number
120 - 543 = -423
-423 ÷ 543 = -0.7790055248618785
-0.7790055248618785 x 100 = -77.9%