38.33% is the change from 634 to 877
Calculation steps:
[( 877 - 634 ) ÷ 634] x 100 = 38.33%
Formula
Percentage change = [(877 - 634) / 634] x 100
Subtract the new number by the original number
877 - 634 = 243
243 ÷ 634 = 0.3832807570977918
0.3832807570977918 x 100 = 38.33%