181.09% is the change from 312 to 877
Calculation steps:
[( 877 - 312 ) ÷ 312] x 100 = 181.09%
Formula
Percentage change = [(877 - 312) / 312] x 100
Subtract the new number by the original number
877 - 312 = 565
565 ÷ 312 = 1.810897435897436
1.810897435897436 x 100 = 181.09%