84.22% is the change from 507 to 934
Calculation steps:
[( 934 - 507 ) ÷ 507] x 100 = 84.22%
Formula
Percentage change = [(934 - 507) / 507] x 100
Subtract the new number by the original number
934 - 507 = 427
427 ÷ 507 = 0.8422090729783037
0.8422090729783037 x 100 = 84.22%