-65.11% is the change from 877 to 306
Calculation steps:
[( 306 - 877 ) ÷ 877] x 100 = -65.11%
Formula
Percentage change = [(306 - 877) / 877] x 100
Subtract the new number by the original number
306 - 877 = -571
-571 ÷ 877 = -0.6510832383124288
-0.6510832383124288 x 100 = -65.11%