-13.63% is the change from 609 to 526
Calculation steps:
[( 526 - 609 ) ÷ 609] x 100 = -13.63%
Formula
Percentage change = [(526 - 609) / 609] x 100
Subtract the new number by the original number
526 - 609 = -83
-83 ÷ 609 = -0.13628899835796388
-0.13628899835796388 x 100 = -13.63%