-74.61% is the change from 835 to 212
Calculation steps:
[( 212 - 835 ) ÷ 835] x 100 = -74.61%
Formula
Percentage change = [(212 - 835) / 835] x 100
Subtract the new number by the original number
212 - 835 = -623
-623 ÷ 835 = -0.7461077844311377
-0.7461077844311377 x 100 = -74.61%