-13.85% is the change from 621 to 535
Calculation steps:
[( 535 - 621 ) ÷ 621] x 100 = -13.85%
Formula
Percentage change = [(535 - 621) / 621] x 100
Subtract the new number by the original number
535 - 621 = -86
-86 ÷ 621 = -0.13848631239935588
-0.13848631239935588 x 100 = -13.85%