-33.95% is the change from 813 to 537
Calculation steps:
[( 537 - 813 ) ÷ 813] x 100 = -33.95%
Formula
Percentage change = [(537 - 813) / 813] x 100
Subtract the new number by the original number
537 - 813 = -276
-276 ÷ 813 = -0.33948339483394835
-0.33948339483394835 x 100 = -33.95%