271.98% is the change from 207 to 770
Calculation steps:
[( 770 - 207 ) ÷ 207] x 100 = 271.98%
Formula
Percentage change = [(770 - 207) / 207] x 100
Subtract the new number by the original number
770 - 207 = 563
563 ÷ 207 = 2.7198067632850242
2.7198067632850242 x 100 = 271.98%