264.41% is the change from 177 to 645
Calculation steps:
[( 645 - 177 ) ÷ 177] x 100 = 264.41%
Formula
Percentage change = [(645 - 177) / 177] x 100
Subtract the new number by the original number
645 - 177 = 468
468 ÷ 177 = 2.6440677966101696
2.6440677966101696 x 100 = 264.41%