-14.68% is the change from 620 to 529
Calculation steps:
[( 529 - 620 ) ÷ 620] x 100 = -14.68%
Formula
Percentage change = [(529 - 620) / 620] x 100
Subtract the new number by the original number
529 - 620 = -91
-91 ÷ 620 = -0.14677419354838708
-0.14677419354838708 x 100 = -14.68%