186.22% is the change from 225 to 644
Calculation steps:
[( 644 - 225 ) ÷ 225] x 100 = 186.22%
Formula
Percentage change = [(644 - 225) / 225] x 100
Subtract the new number by the original number
644 - 225 = 419
419 ÷ 225 = 1.8622222222222222
1.8622222222222222 x 100 = 186.22%