-76.57% is the change from 811 to 190
Calculation steps:
[( 190 - 811 ) ÷ 811] x 100 = -76.57%
Formula
Percentage change = [(190 - 811) / 811] x 100
Subtract the new number by the original number
190 - 811 = -621
-621 ÷ 811 = -0.7657213316892725
-0.7657213316892725 x 100 = -76.57%