278.05% is the change from 164 to 620
Calculation steps:
[( 620 - 164 ) ÷ 164] x 100 = 278.05%
Formula
Percentage change = [(620 - 164) / 164] x 100
Subtract the new number by the original number
620 - 164 = 456
456 ÷ 164 = 2.7804878048780486
2.7804878048780486 x 100 = 278.05%