-69.16% is the change from 817 to 252
Calculation steps:
[( 252 - 817 ) ÷ 817] x 100 = -69.16%
Formula
Percentage change = [(252 - 817) / 817] x 100
Subtract the new number by the original number
252 - 817 = -565
-565 ÷ 817 = -0.6915544675642595
-0.6915544675642595 x 100 = -69.16%