-73.7% is the change from 825 to 217
Calculation steps:
[( 217 - 825 ) ÷ 825] x 100 = -73.7%
Formula
Percentage change = [(217 - 825) / 825] x 100
Subtract the new number by the original number
217 - 825 = -608
-608 ÷ 825 = -0.7369696969696969
-0.7369696969696969 x 100 = -73.7%