-19.44% is the change from 648 to 522
Calculation steps:
[( 522 - 648 ) ÷ 648] x 100 = -19.44%
Formula
Percentage change = [(522 - 648) / 648] x 100
Subtract the new number by the original number
522 - 648 = -126
-126 ÷ 648 = -0.19444444444444445
-0.19444444444444445 x 100 = -19.44%