-3.64% is the change from 522 to 503
Calculation steps:
[( 503 - 522 ) ÷ 522] x 100 = -3.64%
Formula
Percentage change = [(503 - 522) / 522] x 100
Subtract the new number by the original number
503 - 522 = -19
-19 ÷ 522 = -0.03639846743295019
-0.03639846743295019 x 100 = -3.64%