-74.05% is the change from 813 to 211
Calculation steps:
[( 211 - 813 ) ÷ 813] x 100 = -74.05%
Formula
Percentage change = [(211 - 813) / 813] x 100
Subtract the new number by the original number
211 - 813 = -602
-602 ÷ 813 = -0.7404674046740467
-0.7404674046740467 x 100 = -74.05%