250% is the change from 202 to 707
Calculation steps:
[( 707 - 202 ) ÷ 202] x 100 = 250%
Formula
Percentage change = [(707 - 202) / 202] x 100
Subtract the new number by the original number
707 - 202 = 505
505 ÷ 202 = 2.5
2.5 x 100 = 250%
Example