36.6% is the change from 642 to 877
Calculation steps:
[( 877 - 642 ) ÷ 642] x 100 = 36.6%
Formula
Percentage change = [(877 - 642) / 642] x 100
Subtract the new number by the original number
877 - 642 = 235
235 ÷ 642 = 0.3660436137071651
0.3660436137071651 x 100 = 36.6%