-12.74% is the change from 620 to 541
Calculation steps:
[( 541 - 620 ) ÷ 620] x 100 = -12.74%
Formula
Percentage change = [(541 - 620) / 620] x 100
Subtract the new number by the original number
541 - 620 = -79
-79 ÷ 620 = -0.12741935483870967
-0.12741935483870967 x 100 = -12.74%