-17.67% is the change from 634 to 522
Calculation steps:
[( 522 - 634 ) ÷ 634] x 100 = -17.67%
Formula
Percentage change = [(522 - 634) / 634] x 100
Subtract the new number by the original number
522 - 634 = -112
-112 ÷ 634 = -0.17665615141955837
-0.17665615141955837 x 100 = -17.67%