77.74% is the change from 274 to 487
Calculation steps:
[( 487 - 274 ) ÷ 274] x 100 = 77.74%
Formula
Percentage change = [(487 - 274) / 274] x 100
Subtract the new number by the original number
487 - 274 = 213
213 ÷ 274 = 0.7773722627737226
0.7773722627737226 x 100 = 77.74%