-2.97% is the change from 538 to 522
Calculation steps:
[( 522 - 538 ) ÷ 538] x 100 = -2.97%
Formula
Percentage change = [(522 - 538) / 538] x 100
Subtract the new number by the original number
522 - 538 = -16
-16 ÷ 538 = -0.02973977695167286
-0.02973977695167286 x 100 = -2.97%