87.96% is the change from 274 to 515
Calculation steps:
[( 515 - 274 ) ÷ 274] x 100 = 87.96%
Formula
Percentage change = [(515 - 274) / 274] x 100
Subtract the new number by the original number
515 - 274 = 241
241 ÷ 274 = 0.8795620437956204
0.8795620437956204 x 100 = 87.96%