87.18% is the change from 507 to 949
Calculation steps:
[( 949 - 507 ) ÷ 507] x 100 = 87.18%
Formula
Percentage change = [(949 - 507) / 507] x 100
Subtract the new number by the original number
949 - 507 = 442
442 ÷ 507 = 0.8717948717948718
0.8717948717948718 x 100 = 87.18%