-19.57% is the change from 649 to 522
Calculation steps:
[( 522 - 649 ) ÷ 649] x 100 = -19.57%
Formula
Percentage change = [(522 - 649) / 649] x 100
Subtract the new number by the original number
522 - 649 = -127
-127 ÷ 649 = -0.19568567026194145
-0.19568567026194145 x 100 = -19.57%