-71.97% is the change from 817 to 229
Calculation steps:
[( 229 - 817 ) ÷ 817] x 100 = -71.97%
Formula
Percentage change = [(229 - 817) / 817] x 100
Subtract the new number by the original number
229 - 817 = -588
-588 ÷ 817 = -0.7197062423500612
-0.7197062423500612 x 100 = -71.97%