152.96% is the change from 253 to 640
Calculation steps:
[( 640 - 253 ) ÷ 253] x 100 = 152.96%
Formula
Percentage change = [(640 - 253) / 253] x 100
Subtract the new number by the original number
640 - 253 = 387
387 ÷ 253 = 1.5296442687747036
1.5296442687747036 x 100 = 152.96%