52.87% is the change from 645 to 986
Calculation steps:
[( 986 - 645 ) ÷ 645] x 100 = 52.87%
Formula
Percentage change = [(986 - 645) / 645] x 100
Subtract the new number by the original number
986 - 645 = 341
341 ÷ 645 = 0.5286821705426357
0.5286821705426357 x 100 = 52.87%