108.64% is the change from 243 to 507
Calculation steps:
[( 507 - 243 ) ÷ 243] x 100 = 108.64%
Formula
Percentage change = [(507 - 243) / 243] x 100
Subtract the new number by the original number
507 - 243 = 264
264 ÷ 243 = 1.0864197530864197
1.0864197530864197 x 100 = 108.64%