-34.03% is the change from 814 to 537
Calculation steps:
[( 537 - 814 ) ÷ 814] x 100 = -34.03%
Formula
Percentage change = [(537 - 814) / 814] x 100
Subtract the new number by the original number
537 - 814 = -277
-277 ÷ 814 = -0.3402948402948403
-0.3402948402948403 x 100 = -34.03%