83.98% is the change from 337 to 620
Calculation steps:
[( 620 - 337 ) ÷ 337] x 100 = 83.98%
Formula
Percentage change = [(620 - 337) / 337] x 100
Subtract the new number by the original number
620 - 337 = 283
283 ÷ 337 = 0.8397626112759644
0.8397626112759644 x 100 = 83.98%