85.04% is the change from 274 to 507
Calculation steps:
[( 507 - 274 ) ÷ 274] x 100 = 85.04%
Formula
Percentage change = [(507 - 274) / 274] x 100
Subtract the new number by the original number
507 - 274 = 233
233 ÷ 274 = 0.8503649635036497
0.8503649635036497 x 100 = 85.04%