89.78% is the change from 274 to 520
Calculation steps:
[( 520 - 274 ) ÷ 274] x 100 = 89.78%
Formula
Percentage change = [(520 - 274) / 274] x 100
Subtract the new number by the original number
520 - 274 = 246
246 ÷ 274 = 0.8978102189781022
0.8978102189781022 x 100 = 89.78%