-21.15% is the change from 662 to 522
Calculation steps:
[( 522 - 662 ) ÷ 662] x 100 = -21.15%
Formula
Percentage change = [(522 - 662) / 662] x 100
Subtract the new number by the original number
522 - 662 = -140
-140 ÷ 662 = -0.21148036253776434
-0.21148036253776434 x 100 = -21.15%