-74.14% is the change from 812 to 210
Calculation steps:
[( 210 - 812 ) ÷ 812] x 100 = -74.14%
Formula
Percentage change = [(210 - 812) / 812] x 100
Subtract the new number by the original number
210 - 812 = -602
-602 ÷ 812 = -0.7413793103448276
-0.7413793103448276 x 100 = -74.14%