90.51% is the change from 274 to 522
Calculation steps:
[( 522 - 274 ) ÷ 274] x 100 = 90.51%
Formula
Percentage change = [(522 - 274) / 274] x 100
Subtract the new number by the original number
522 - 274 = 248
248 ÷ 274 = 0.9051094890510949
0.9051094890510949 x 100 = 90.51%