54.64% is the change from 507 to 784
Calculation steps:
[( 784 - 507 ) ÷ 507] x 100 = 54.64%
Formula
Percentage change = [(784 - 507) / 507] x 100
Subtract the new number by the original number
784 - 507 = 277
277 ÷ 507 = 0.5463510848126233
0.5463510848126233 x 100 = 54.64%