-35.42% is the change from 813 to 525
Calculation steps:
[( 525 - 813 ) ÷ 813] x 100 = -35.42%
Formula
Percentage change = [(525 - 813) / 813] x 100
Subtract the new number by the original number
525 - 813 = -288
-288 ÷ 813 = -0.35424354243542433
-0.35424354243542433 x 100 = -35.42%