-13.71% is the change from 620 to 535
Calculation steps:
[( 535 - 620 ) ÷ 620] x 100 = -13.71%
Formula
Percentage change = [(535 - 620) / 620] x 100
Subtract the new number by the original number
535 - 620 = -85
-85 ÷ 620 = -0.13709677419354838
-0.13709677419354838 x 100 = -13.71%