-75.83% is the change from 877 to 212
Calculation steps:
[( 212 - 877 ) ÷ 877] x 100 = -75.83%
Formula
Percentage change = [(212 - 877) / 877] x 100
Subtract the new number by the original number
212 - 877 = -665
-665 ÷ 877 = -0.758266818700114
-0.758266818700114 x 100 = -75.83%