-61.15% is the change from 803 to 312
Calculation steps:
[( 312 - 803 ) ÷ 803] x 100 = -61.15%
Formula
Percentage change = [(312 - 803) / 803] x 100
Subtract the new number by the original number
312 - 803 = -491
-491 ÷ 803 = -0.6114570361145704
-0.6114570361145704 x 100 = -61.15%