93.43% is the change from 274 to 530
Calculation steps:
[( 530 - 274 ) ÷ 274] x 100 = 93.43%
Formula
Percentage change = [(530 - 274) / 274] x 100
Subtract the new number by the original number
530 - 274 = 256
256 ÷ 274 = 0.9343065693430657
0.9343065693430657 x 100 = 93.43%