-35.62% is the change from 817 to 526
Calculation steps:
[( 526 - 817 ) ÷ 817] x 100 = -35.62%
Formula
Percentage change = [(526 - 817) / 817] x 100
Subtract the new number by the original number
526 - 817 = -291
-291 ÷ 817 = -0.3561811505507956
-0.3561811505507956 x 100 = -35.62%