91.24% is the change from 274 to 524
Calculation steps:
[( 524 - 274 ) ÷ 274] x 100 = 91.24%
Formula
Percentage change = [(524 - 274) / 274] x 100
Subtract the new number by the original number
524 - 274 = 250
250 ÷ 274 = 0.9124087591240876
0.9124087591240876 x 100 = 91.24%