-21.53% is the change from 808 to 634
Calculation steps:
[( 634 - 808 ) ÷ 808] x 100 = -21.53%
Formula
Percentage change = [(634 - 808) / 808] x 100
Subtract the new number by the original number
634 - 808 = -174
-174 ÷ 808 = -0.21534653465346534
-0.21534653465346534 x 100 = -21.53%